Name	Known for
Will Arnett BoJack Horseman / Butterscotch Horseman (voice) BoJack Horseman / Butterscotch Horseman (voice) See fewer	The Lego Batman Movie (2017)
Amy Sedaris Princess Carolyn (voice) Princess Carolyn (voice) See fewer	Elf (2003)
Alison Brie Diane Nguyen / Olivia / Vincent Adultman (voice) Diane Nguyen / Olivia / Vincent Adultman (voice) See fewer	GLOW (2017)
Paul F. Tompkins Mr. Peanutbutter (voice) Mr. Peanutbutter (voice) See fewer	BoJack Horseman (2014)
Aaron Paul Todd Chavez (voice) Todd Chavez (voice) See fewer	Breaking Bad (2008)
James Adomian Stuart (voice) Stuart (voice) See fewer	Harold & Kumar Escape from Guantanamo Bay (2008)
Maria Bamford Kelsey Jannings / Debra (voice) Kelsey Jannings / Debra (voice) See fewer	Barnyard (2006)
Jason Beghe Jogger (voice) Jogger (voice) See fewer	The Next Three Days (2010)
Kevin Bigley Dick Cavett (voice) (archive footage) Dick Cavett (voice) (archive footage) See fewer	The Dilemma (2011)
Raphael Bob-Waksberg Charley Witherspoon (voice) Charley Witherspoon (voice) See fewer	BoJack Horseman (2014)
Brandon T. Jackson Corduroy Jackson-Jackson (voice) Corduroy Jackson-Jackson (voice) See fewer	Tropic Thunder (2008)
Keegan-Michael Key Sebastian St. Clair (voice) Sebastian St. Clair (voice) See fewer	Keanu (2016)
John Krasinski Secretariat (voice) (archive footage) Secretariat (voice) (archive footage) See fewer	Tom Clancy's Jack Ryan (2018)
Wendie Malick Beatrice Horseman (voice) Beatrice Horseman (voice) See fewer	The American President (1995)
Ben Schwartz Rutabaga Rabitowitz (voice) Rutabaga Rabitowitz (voice) See fewer	Parks and Recreation (2009)
J.K. Simmons Lenny Turtletaub (voice) Lenny Turtletaub (voice) See fewer	Whiplash (2014)
George Takei Audiobook Narrator (voice) Audiobook Narrator (voice) See fewer	Star Trek (1966)
Stanley Tucci Herb Kazzaz (voice) Herb Kazzaz (voice) See fewer	Big Night (1996)