OK K.O.! Let's Be Heroes - Production & Contact Info

Cast	+ Add Cast
84 cast members

Name	Episodes	Known for
Courtenay Taylor KO / TKO / Blue Power / Slime / Whistle / … See more KO / TKO / Blue Power / Slime / Whistle / Hon Dew / Baby Shannon / Topher / Evil KO / K.O. / Narrator / K0 / Metal KO / Robot voice / Gecky / Baby KO See fewer	102	X-Men '97 (2024)
Ashly Burch Enid / Additional Voices / Miss Mummy / Gladys / Rippy Roo / … See more Enid / Additional Voices / Miss Mummy / Gladys / Rippy Roo / Baby Teeth / Congresswoman / Mikayla / Foxy / Punching Judy / Ball Monster / Cherry / Icky / Student / Skeleton 1 / Boy 1 / Announcer / Gloops / Computer Voice / Glitter Starlight / Tumbles / Stabilization Matrix / Phone / Lone Hero / Gertie / EN1D / Plazamo / Phoebe / Cat / Hamster / Classmate #1 / Classmate #2 / Tenid / Shy Ninja / Tall Teen See fewer	93	Life Is Strange (2015)
Ian Jones-Quartey Rad / Darrell / Crinkly Wrinkly / Gregg / Cookie Man / … See more Rad / Darrell / Crinkly Wrinkly / Gregg / Cookie Man / Point Trooper / Additional Voices / Radicles Mimic / Pird / Frat Boi 2 / Heart / Boris / Real Magic Skeleton (pilot) / Baby Darrell / Pterodactyl / Truck / Old Man Jenkins / Announcer / Colewort / Corn Shepard / Corny Song Singer / Drone / Evil Rad / Pen / Moon / Pickle / URL / Gauntlet / R.A.D.I.C.L.E.S. / A.U. Darrell / P.O.I.N.T. Trooper / Nerd 2 / Janner / Carl / Cool Sun / Trad / Small Teen See fewer	89	Steven Universe (2013)
David Herman Mr. Gar / Brandon / Jethro / Beardo / Additional Voices / … See more Mr. Gar / Brandon / Jethro / Beardo / Additional Voices / Action News Narrator / Steamborg Robot / El Bow / Narrator / Mad Sam / Joe Cuppa / Heroic Guy / Rat / Rad Dad / Baby Jethro / Young Crinkly / Dinner Man / Sandworm / Jethro #2 / Sun / BoxGar / Dragon / Jethro 2 See fewer	58	Idiocracy (2006)
Kate Flannery Carol / Silver Spark / Gertie / Rad (scream) (voice) Carol / Silver Spark / Gertie / Rad (scream) (voice) See fewer	38	The Office (2005)
Kari Wahlgren Shannon / Vormulax / Barista Pup / Barista / Pup / … (voice) See more Shannon / Vormulax / Barista Pup / Barista / Pup / Hollow Jane / Chill Cat / Tumbles / Mrs. Gnarlio / Kid / Point HQ / Pedestrian Rando 2 / Small One / Wavezilla / A.U. Shannon / Grandma / Foxy / Diving Belle (voice) See fewer	30	Rick and Morty (2013)
Jim Cummings Lord Boxman / Lad Boxman / Can Wizard / Boxman Jr. / Monster / … (voice) See more Lord Boxman / Lad Boxman / Can Wizard / Boxman Jr. / Monster / Garman / Mecha Maw (voice) See fewer	29	Winnie the Pooh (2011)
Melissa Villaseñor Potato / Drupe / Mega Football Baby / Gertie / Punching Judy / … (voice) See more Potato / Drupe / Mega Football Baby / Gertie / Punching Judy / Ginger / Shy Ninja / Rad Fan / Baby / Cashier / Restaurant Rando / Biki / Phoebe / Punching Trudy / Megafootball Baby (voice) See fewer	25	Hubie Halloween (2020)
Chris Niosi Ernesto / Pird / Neil / Nick Army / Wistful Pete / … See more Ernesto / Pird / Neil / Nick Army / Wistful Pete / Additional Voices / Evil Laugh / Video Game Voice / Male Lead / Soloist / Video Game Announcer / Anxious Ricky / Drone / Puck Reverie See fewer	25	TOME: Terrain of Magical Expertise (2011)
Melissa Fahn Dendy / Mikayla / Krissa / Genesis / Monkey / … (voice) See more Dendy / Mikayla / Krissa / Genesis / Monkey / Boy 2 / Miss Mummy (voice) See fewer	21	Cowboy Bebop (1998)
Steven Ogg Professor Venomous / Shadowy Figure / Laserblast / Lord Venomous / TV / … (voice) See more Professor Venomous / Shadowy Figure / Laserblast / Lord Venomous / TV / Professor Venomous (Shadow Figure) / Shadowy Venonmous / Shadowy Venomous / Professor Venomous (Shadowy Venmous) (voice) See fewer	20	Grand Theft Auto V (2013)
Robbie Daymond Raymond / Co-Bruh / Singer / Pedestrian Rando 1 / Audience Rando / … (voice) See more Raymond / Co-Bruh / Singer / Pedestrian Rando 1 / Audience Rando / Rex / Announcer / A.U. Raymond / Robbie (voice) See fewer	19	Critical Role (2015)
Ben Jones Real Magic Skeleton / Cactus Person / Zombie-Like Fan / Hero Screams (voice) Real Magic Skeleton / Cactus Person / Zombie-Like Fan / Hero Screams (voice) See fewer	16	Saturday Morning All Star Hits! (2021)
Mary Elizabeth McGlynn Dynamite Watkins / Miss Quantum / Teacher / Additional Voices / Snake / … See more Dynamite Watkins / Miss Quantum / Teacher / Additional Voices / Snake / Audience Member / Announcer / Old Lady See fewer	13	Vampire Hunter D: Bloodlust (2000)
Melodee Spevack Foxtail / Ginger (voice) Foxtail / Ginger (voice) See fewer	12	Ergo Proxy (2006)
Lara Jill Miller Fink / Cantalop / Truffle / Mama Truffle / Koala Princess (voice) Fink / Cantalop / Truffle / Mama Truffle / Koala Princess (voice) See fewer	12	Gimme a Break! (1981)
Reshma Shetty Elodie / Baby Wave (voice) Elodie / Baby Wave (voice) See fewer	10	Royal Pains (2009)
Dana Snyder Doctor Greyman / Elf King / Cough Man / Dr. Greyman (voice) Doctor Greyman / Elf King / Cough Man / Dr. Greyman (voice) See fewer	10	Aqua Teen Hunger Force Colon Movie Film for Theaters (2007)
Cole Sanchez Colewort / Additional Voices / Topher / Driver / Plaque / … See more Colewort / Additional Voices / Topher / Driver / Plaque / Colewart / P.O.I.N.T. Trooper See fewer	10	Adventure Time (2010)
Kali Hawk Red Action / Moon / GPS / Older Red Action (voice) Red Action / Moon / GPS / Older Red Action (voice) See fewer	9	Fifty Shades of Black (2016)
Michael-Leon Wooley Big Bull Demon / Cool Sun / Bell Beefer / Sun / Galgarion / Narrator (voice) Big Bull Demon / Cool Sun / Bell Beefer / Sun / Galgarion / Narrator (voice) See fewer	9	AJ and the Queen (2020)
Nichole Sakura Nanini / Carla / Bobo / Pepelina / Gecky / Genesis (as Nichole Bloom) Nanini / Carla / Bobo / Pepelina / Gecky / Genesis (as Nichole Bloom) See fewer	8	Until Dawn (2015)
Stephanie Nadolny KO / Additional Voices / Customer / Gladys KO / Additional Voices / Customer / Gladys See fewer	7	Dragon Ball Z: Broly - The Legendary Super Saiyan (1993)
Dave Fennoy Ofrang / Guard / Bernard / Spanky / Kappa / … (voice) See more Ofrang / Guard / Bernard / Spanky / Kappa / Security Guard 1&2 / Tree / Nerd 1 / Jad (voice) See fewer	7	The Walking Dead: A Telltale Game Series (2012)
Parker Simmons Fish Dude / Gerald Nametag / Gary / Mimic / Plazamo / … See more Fish Dude / Gerald Nametag / Gary / Mimic / Plazamo / Lad Boxman / Skateboard Nerd / Narrator / Rude Kid / Employee Pup / Acting Coach / Deep Voice / Skeleton 2 / Gil Ferris / Mr. Beelz / Flurry / Performance Artist / Alien See fewer	7	Mao Mao: Heroes of Pure Heart (2014)
Kurt Angle Chip Damage (voice) Chip Damage (voice) See fewer	6	Warrior (2011)
Ron Funches Sparko (voice) Sparko (voice) See fewer	5	Trolls (2016)
James Urbaniak Mr. Logic / Joff / Baby Ernesto (voice) Mr. Logic / Joff / Baby Ernesto (voice) See fewer	4	Oppenheimer (I) (2023)
Melanie Chartoff Sunshine (voice) Sunshine (voice) See fewer	4	Fridays (1980)
Marina Sirtis Cosma (voice) Cosma (voice) See fewer	4	Star Trek: The Next Generation (1987)
Melique Berger Theodosia / Wilhamina (voice) Theodosia / Wilhamina (voice) See fewer	3	X-Men: Days of Future Past (2014)
Andrés du Bouchet Joe Cuppa / Small Joe (voice) Joe Cuppa / Small Joe (voice) See fewer	3	Late Night with Conan O'Brien (1993)
Wallace Shawn Wally the White / Narrator (voice) Wally the White / Narrator (voice) See fewer	3	My Dinner with Andre (1981)
Carrie Keranen Yellow Technique / Giant Robot (voice) Yellow Technique / Giant Robot (voice) See fewer	2	Miraculous: Tales of Ladybug & Cat Noir (2015)
SungWon Cho Johnny / Jack Wacky / Rando / Teamster / Game (voice) Johnny / Jack Wacky / Rando / Teamster / Game (voice) See fewer	2	Anime Crimes Division (2017)
Tony Revolori Chameleon Jr. / Dolph Finn (voice) Chameleon Jr. / Dolph Finn (voice) See fewer	2	The Grand Budapest Hotel (2014)
Justin McElroy Billiam Milliam / Biliam Milliam (voice) Billiam Milliam / Biliam Milliam (voice) See fewer	2	My Brother, My Brother and Me (2017)
Mike Bell Principal / Principal Claus (voice) Principal / Principal Claus (voice) See fewer	2	Kung Fu Panda 2 (2011)
Michael Donovan Director (voice) Director (voice) See fewer	2	JLA Adventures: Trapped in Time (2014)
Paul Rugg Announcer / President of the Universe / Ted Viking / Teardrop (voice) Announcer / President of the Universe / Ted Viking / Teardrop (voice) See fewer	2	Earth to Ned (2020)
Larissa Gallagher Miss Pastel / Koala Princess / Demon Queenie / Sara (voice) Miss Pastel / Koala Princess / Demon Queenie / Sara (voice) See fewer	2	Harley Quinn (2019)
Carol Kane Ginger (voice) Ginger (voice) See fewer	2	The Princess Bride (1987)
Candi Milo Combo Breaker / Phoebe / MIiss Pastel (voice) Combo Breaker / Phoebe / MIiss Pastel (voice) See fewer	2	My Life as a Teenage Robot (2002)
Jonathan Davis Succulentus (voice) Succulentus (voice) See fewer	2	Lara Croft: Tomb Raider - The Cradle of Life (2003)
Clancy Brown Mr. Cardsley / Powio Statue / Pavel (voice) Mr. Cardsley / Powio Statue / Pavel (voice) See fewer	1	The Shawshank Redemption (1994)
Erica Mendez Black Strategy (voice) Black Strategy (voice) See fewer	1	Aggretsuko (2018)
Jamie Marchi Green Guts (voice) Green Guts (voice) See fewer	1	High School DxD (2012)
Michael Dorn Red Strike / I.M. Weasel (voice) Red Strike / I.M. Weasel (voice) See fewer	1	Star Trek: First Contact (1996)
Constance Shulman Dr. Sphinxen (voice) Dr. Sphinxen (voice) See fewer	1	Orange Is the New Black (2013)
Diedrich Bader Cupid (voice) Cupid (voice) See fewer	1	Office Space (1999)
Robbie Rist Gnarlio / Frat Boi / Corn Shepard (voice) Gnarlio / Frat Boi / Corn Shepard (voice) See fewer	1	Teenage Mutant Ninja Turtles II: The Secret of the Ooze (1991)
Ali Wong Twisty (voice) Twisty (voice) See fewer	1	Ali Wong: Baby Cobra (2016)
Robert Costanzo Big Cheese (voice) Big Cheese (voice) See fewer	1	Total Recall (1990)
Estelle Garnet (voice) (as Estelle Swaray) Garnet (voice) (as Estelle Swaray) See fewer	1	Steven Universe (2013)
Bob Bergen Scoutmaster (voice) Scoutmaster (voice) See fewer	1	Spirited Away (2001)
Kath Soucie Peej / Gnarlio Jr. (voice) Peej / Gnarlio Jr. (voice) See fewer	1	Rugrats (2021)
Michael Sinterniklaas Hero (voice) Hero (voice) See fewer	1	Your Name. (2016)
Tara Strong Ben Tennyson / Raven / Ilana (voice) Ben Tennyson / Raven / Ilana (voice) See fewer	1	Batman: The Killing Joke (2016)
Lola Kirke Holo Jane (voice) Holo Jane (voice) See fewer	1	Gone Girl (2014)
Johnny M. Wu Joff (voice) (as Johnny Wu) Joff (voice) (as Johnny Wu) See fewer	1	Daredevil: Born Again (2025)
Steven Rattazzi Mr. Iframe (voice) Mr. Iframe (voice) See fewer	1	The Venture Bros. (2003)
Roger Craig Smith Sonic the Hedgehog (voice) Sonic the Hedgehog (voice) See fewer	1	Assassin's Creed: The Ezio Collection (2016)
Keith Silverstein Ted Viking (voice) Ted Viking (voice) See fewer	1	Genshin Impact (2020)
Barbara Goodson Small Calf Demon (voice) Small Calf Demon (voice) See fewer	1	Akira (1988)
Keith David Crinkly Wrinkly Narration (voice) Crinkly Wrinkly Narration (voice) See fewer	1	The Princess and the Frog (2009)
Richard McGonagle Chameleon Sr. / Large Man (voice) Chameleon Sr. / Large Man (voice) See fewer	1	500 Days of Summer (2009)
Tessa Auberjonois Dr. Blight (voice) Dr. Blight (voice) See fewer	1	Monster (2022)
Sterling Jarvis Rad (singing voice) Rad (singing voice) See fewer	1	The Sentinel (2006)
John DiMaggio Four Arms / Shnitzel / Jake the Dog (voice) Four Arms / Shnitzel / Jake the Dog (voice) See fewer	1	Transformers: Rise of the Beasts (2023)
Russi Taylor Phantasma - Scooby Doo (voice) Phantasma - Scooby Doo (voice) See fewer	1	DuckTales the Movie: Treasure of the Lost Lamp (1990)
JB Blanc Coach (voice) Coach (voice) See fewer	1	Barry (2018)
Colleen O'Shaughnessey Miles 'Tails' Prower (voice) (as Colleen Villard) Miles 'Tails' Prower (voice) (as Colleen Villard) See fewer	1	Sonic the Hedgehog 3 (2024)
Karen Strassman Foxy (voice) Foxy (voice) See fewer	1	The Onania Club
Betsy Zajko Cosma (voice) Cosma (voice) See fewer	1	Paradise (I) (2025)
Joe Nipote Crudde / Corn Shepherd (voice) Crudde / Corn Shepherd (voice) See fewer	1	Casper (1995)
Pat Musick Elsa - Scooby Doo (voice) Elsa - Scooby Doo (voice) See fewer	1	An American Tail (1986)
Peter Browngardt Uncle Grandpa / Festro (voice) Uncle Grandpa / Festro (voice) See fewer	1	Secret Mountain Fort Awesome (2007)
Nick Bakay Warlock (voice) Warlock (voice) See fewer	1	Sabrina the Teenage Witch (1996)
Mena Suvari Enid / Ginger (archive footage) (voice) Enid / Ginger (archive footage) (voice) See fewer	1	American Beauty (1999)
David Coburn Captain Planet (voice) Captain Planet (voice) See fewer	1	Supercop (1992)
Susan Blu Sibella - Scooby Doo (voice) Sibella - Scooby Doo (voice) See fewer	1	The Transformers: The Movie (1986)
Natalie Palamides Winnie - Scooby Doo (voice) Winnie - Scooby Doo (voice) See fewer	1	The Broadcast (2024)
Kristen Li Tanis - Scooby Doo (voice) Tanis - Scooby Doo (voice) See fewer	1	The Powerpuff Girls (2016)
LeVar Burton Kwame (voice) Kwame (voice) See fewer	1	Star Trek: Generations (1994)