Will Arnett
BoJack Horseman / Butterscotch Horseman (voice) / BoJack Horseman / BoBo the Ang...

Aaron Paul
Todd Chavez / AA Bird / Donkey Kid / Skippy (voice) / Todd Chavez / Emperor Fing...

Alison Brie
Diane Nguyen / Vincent Adultman / Kevin / Samantha The Food Critic / Olivia / Jo...

Amy Sedaris
Princess Carolyn / Sharona (voice) / Princess Carolyn / Tangled Fog of Pulsating...

Paul F. Tompkins
Mr. Peanutbutter / Marv / Virgil Van Cleef / Prescott / Andrew Garfield / Sandro...

Adam Conover
A Ryan Seacrest Type / Paparazzi Blue Jay (voice) / Paparazzi Blue Jay (voice) /...

Keith Olbermann
Tom Jumbo-Grumbo (voice)

Patton Oswalt
Pinky Penguin (voice) / Neal McBeal (voice) / Pinky Penguin / Gary / Maggot Fune...

Diedrich Bader
Judah Mannowdog (voice)

Aparna Nancherla
Hollyhock Manheim-Mannheim-Guerrero-Robinson-Zilberschlag-Hsung-Fonzerelli-McQua...

Kristen Schaal
Sarah Lynn (voice) / Sabrina (voice) / Sarah Lynn / Sabrina (voice) / Sarah Lynn...

J.K. Simmons
Lenny Turtletaub (voice)

Wendie Malick
Beatrice Horseman (voice) / Young Beatrice (voice)

Stanley Tucci
Herb Kazzaz (voice)

Angela Bassett
Ana Spanakopita (voice)

Rami Malek
Flip McVicker (voice) / Flip McVicker / Jose Guerrero (voice)

Ben Schwartz
Rutabaga Rabitowitz (voice) / Rutabaga Rabitowitz / Tawnie's Boyfriend (voice)

Stephanie Beatriz
Gina Cazador (voice) / Gina Cazador / Gino (voice) / Gina Cazador / Nancy The Li...

Lake Bell
Katrina Peanutbutter (voice) / Katrina Peanutbutter / Cargo Ship Captain / Chloe...

Maria Bamford
Kelsey Jannings (voice) / Debra (voice) / Kelsey Jannings / Roller Rink DJ (voic...