Stupid Piece of Sh*t

Will Arnett

BoJack Horseman / Butterscotch Horseman (voice)

Aaron Paul

Todd Chavez / AA Bird / Donkey Kid / Skippy (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)

Amy Sedaris

Princess Carolyn / Sharona (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)

Aparna Nancherla

Hollyhock Manheim-Mannheim-Guerrero-Robinson-Zilberschlag-Hsung-Fonzerelli-McQuack (voice)

Fielding Edlow

Roxy (voice)

Felicity Huffman

Felicity Huffman (voice)

Ben Schwartz

Rutabaga Rabitowitz (voice)

Sharon Horgan

Courtney Portnoy (voice)

Wendie Malick

Beatrice Horseman (voice)

Diedrich Bader

Judah Mannowdog (voice)