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IMDbPro

Kellan Tetlow

  • Actor
  • Additional Crew
IMDbProStarmeterSee rank
Kellan Tetlow
Kellan Tetlow's love for acting began at the age of three, and in just a few short years he has built an impressive résumé. After making his film debut in The Saint of the Impossible, which went on to win several international film festival awards, Kellan quickly became a standout talent. By age six, he landed his first recurring role as Young Nicky, Justin Hartley's son, on NBC's award-winning drama This Is Us. Just months later, he joined the cast of FX's Murder at the End of the World as a series regular alongside Clive Owen, Harris Dickinson, and Emma Corrin. By 8, he landed is first guest star role in the highly acclaimed Dick Wolf series FBI International and was in a chemistry read with Billy Crystal for Apple TV's Before.

International audiences quickly recognized his talent when Kellan landed the lead role in a 48-episode Korean sitcom. Upon returning to the U.S., he booked major national commercial campaigns with Chrysler, Credit One, and Dish Network, followed by a series of regional spots, music videos, and print campaigns. His voiceover work has been just as dynamic, with multiple credits for Disney, Nickelodeon, PBS, Warner Bros., and more.

In 2025, he voiced a lead character in a highly anticipated top secret animated feature directed by an Oscar-winning filmmaker and brought to life Daniel Tiger for a major toy brand franchise. He recently wrapped a feature film opposite Lorraine Bracco and Leah Remini and recorded a lead role in a hotly anticipated Japanese anime motion picture by famed directors Yoko Kono and Nobuhiro Yamashita. Adding to his growing slate, Kellan will also star in an original live-action comedy from the creators of South Park for Paramount Pictures, directed by Trey Parker and Matt Stone.

Behind the scenes, Kellan has been in high demand for studio and network recording sessions throughout 2024 and 2025, contributing to projects for AppleTV, Hulu, Disney, Netflix, DreamWorks, Paramount, and Universal. His looping and ADR work already spans major motion pictures and critically acclaimed streaming hits, where his quick wit and sharp improv instincts have made him a go-to talent.

When he isn't working, Kellan stays active with hip hop, soccer, surfing, and basketball. He also plays piano and enjoys hiking with his family.

With an extraordinary list of credits already under his belt and a slate of high-profile projects ahead, Kellan Tetlow is emerging as one of the most versatile and exciting young actors working today-an undeniable rising star poised for international recognition. Kellan is represented by Rebel Creative Group across the board, Osbrink across the board, Take 3 Talent Agency (NYC) for Commercial and VO Animation.
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    Known for

    Matthew Wood, Pedro Pascal, Ralph Ineson, Ebon Moss-Bachrach, Julia Garner, Vanessa Kirby, and Joseph Quinn in The Fantastic Four: First Steps (2025)
    The Fantastic Four: First Steps
    7.2
    • Additional Crew
    • 2025
    Ariana Grande and Cynthia Erivo in Wicked (2024)
    Wicked
    7.4
    • Additional Crew
    • 2024
    Jesse Lee Soffer, Christina Wolfe, Carter Redwood, Eva-Jane Willis, and Vinessa Vidotto in FBI: International (2021)
    FBI: International
    6.6
    TV Series
    • Henry Dawson
    Clive Owen and Emma Corrin in A Murder at the End of the World (2023)
    A Murder at the End of the World
    7.0
    TV Mini Series
    • Zoomer

    Credits

    Edit
    IMDbPro

    Actor



    • Zootopia 2
      • Snake (voice)
      • 2025
    • Untitled Trey Parker / Matt Stone / Kendrick Lamar / Dave Free
      • In Production
      • 2026
    • Wildwood
      • (voice)
      • In Production
      • 2026
    • Clown Song
      • The Young Narrator
      • Post-production
      • Short



    • Tara Strong, Donovan Patton, Secunda Wood, Logan Bailey, Kristen Wiig, Sainty Nelsen, Eduardo Franco, Laila Lockhart Kraner, Juliet Donenfeld, and Maggie Lowe in Gabby's Dollhouse: The Movie (2025)
      Gabby's Dollhouse: The Movie
      5.9
      • Dragonfly (voice)
      • 2025
    • Lorraine Bracco, James Austin Kerr, and Brian Tichnell in The Mother, the Menacer, and Me (2025)
      The Mother, the Menacer, and Me
      8.9
      • Billy
      • 2025
    • Wonder Pets: In the City (2024)
      Wonder Pets: In the City
      7.4
      TV Series
      • (voice)
      • 2024
    • Ghost Cat Anzu (2024)
      Ghost Cat Anzu
      6.5
      • Hayashi (English version, voice)
      • 2024
    • Shawnette Heard, Kellan Tetlow, Ken Mowe, Melissa Ciampa, Victor Bender, Adrian Pereira, Lucia Tarantino, and Jason Cowan in Monster Spray (2024)
      Monster Spray
      Short
      • 2024
    • Jesse Lee Soffer, Christina Wolfe, Carter Redwood, Eva-Jane Willis, and Vinessa Vidotto in FBI: International (2021)
      FBI: International
      6.6
      TV Series
      • Henry Dawson
      • 2024
    • Clive Owen and Emma Corrin in A Murder at the End of the World (2023)
      A Murder at the End of the World
      7.0
      TV Mini Series
      • Zoomer
      • 2023
    • Sterling K. Brown, Chrissy Metz, and Faithe Herman in This Is Us (2016)
      This Is Us
      8.7
      TV Series
      • Nicky Jr.
      • 2022
    • Marcelo Durand Castro, Adriano Durand Castro, and Tara Thaller in The Saint of the Impossible (2020)
      The Saint of the Impossible
      7.0
      • Young Boy
      • 2020

    Additional Crew



    • Matthew Wood, Pedro Pascal, Ralph Ineson, Ebon Moss-Bachrach, Julia Garner, Vanessa Kirby, and Joseph Quinn in The Fantastic Four: First Steps (2025)
      The Fantastic Four: First Steps
      7.2
      • additional voice
      • 2025
    • Ariana Grande and Cynthia Erivo in Wicked (2024)
      Wicked
      7.4
      • Additional Voice
      • 2024

    Verified affiliations

    Learn more at IMDbPro
    SAG-AFTRA

    Videos1

    Murder at the End reel
    Demo Reel 18:41
    Murder at the End reel

    Personal details

    Edit
    • Official site
      • Instagram
    • Publicity listings
      • 2 Interviews
      • 1 Article

    Did you know

    Edit
    • Trivia
      He is the star of a Korean TV show and also a cartoon character in Korea. He loves Korean food, its culture and can even speak some Korean.

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