Name	Known for
Curtis Armstrong Mr. Waldenstein (voice) Mr. Waldenstein (voice) See fewer	Risky Business (1983)
Kimberly Brooks Janie (voice) Janie (voice) See fewer	Voltron: Legendary Defender (2016)
Lacey Chabert Marion Hawthorne (voice) Marion Hawthorne (voice) See fewer	Mean Girls (2004)
Grey DeLisle Harriet's Mom (voice) (as Grey Griffin) Harriet's Mom (voice) (as Grey Griffin) See fewer	Batman: Arkham City (2011)
Beanie Feldstein Harriet (voice) Harriet (voice) See fewer	Booksmart (2019)
Maile Flanagan Gym Teacher (voice) Gym Teacher (voice) See fewer	Lab Rats (2012)
Crispin Freeman Harriet's Dad (voice) Harriet's Dad (voice) See fewer	Final Fantasy VII: Advent Children (2005)
Jess Harnell Actor (voice) Actor (voice) See fewer	Transformers: Dark of the Moon (I) (2011)
Jane Lynch Ole Golly (voice) Ole Golly (voice) See fewer	Wreck-It Ralph (2012)
Charlie Schlatter Sport (voice) Sport (voice) See fewer	18 Again! (1988)
Alanna Ubach Additional Voices Additional Voices See fewer	Bombshell (I) (2019)