Will Arnett

BoJack Horseman / Butterscotch Horseman (voice),BoJack Horseman / BoBo the Angsty Zebra (voice)

Aaron Paul

Todd Chavez / AA Bird / Donkey Kid / Skippy (voice),Todd Chavez / Emperor Fingerface (voice)

Alison Brie

Diane Nguyen / Vincent Adultman / Kevin / Samantha The Food Critic / Olivia / Joelle Clark / Otter / Cow Waitress / Sarah Lynn's Assistant / Ship Co-Captain / Golden Snowflake Announcer / Nurse / Waitress / Cow Waitress / Announcer (voice),Diane Nguyen / Diana the Princess of Wales (voice)

Amy Sedaris

Princess Carolyn / Sharona (voice),Princess Carolyn / Tangled Fog of Pulsating Yearning / Priscilla Crustacean (voice)

Paul F. Tompkins

Mr. Peanutbutter / Marv / Virgil Van Cleef / Prescott / Andrew Garfield / Sandro / Dog Valet / Underwater Man / Concerned Man / Janitor / Bartholomew Scagsworth / Sloth Lawyer / Blimp Co-Pilot / Abortion Doctor / George Tickle / Giant Chocolate Oscar Guy / Actor #2 / Bird / Willie Wesleyan (voice),Mr. Peanutbutter / Mr. Chocolate Hazelnut Spread (voice)

Adam Conover

A Ryan Seacrest Type / Paparazzi Blue Jay (voice),Paparazzi Blue Jay (voice),Bradley Hitler-Smith (voice),.....

Keith Olbermann

Tom Jumbo-Grumbo (voice)

Patton Oswalt

Pinky Penguin (voice),Charlie Rose / Pinky Penguin / Doctor (voice),Pinky Penguin / Crab Guy (voice),.....

Diedrich Bader

Judah Mannowdog (voice)

Kristen Schaal

Sarah Lynn (voice),Sabrina (voice),Sarah Lynn / Sabrina (voice),.....