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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)

Alan Arkin

J.D. Salinger (voice)

Greg Kinnear

Greg Kinglear (voice)

Mara Wilson

Jill Pill (voice)

Elvis Mitchell

Host of Screening (voice)

Patton Oswalt

Pinky Penguin (voice)

Jake Johnson

Oxnard (voice)

Angela Bassett

Ana Spanakopita (voice)

Natasha Leggero

Heather (voice)

Diedrich Bader

Judah Mannowdog (voice)