출연진 및 제작진

Keegan-Michael Key

Buddy the Unicorn (voice)

마이클 섀넌

Willie (voice)

패튼 오즈월트

Strappy (voice)

Clint Howard

George

Eric Bauza

Mr. Mailbox / Worry Well / Couchy / Trashy / Pee Flower (voice)

Sergey Zhuravsky

Buddy the Unicorn (suit)

Jonathan Yurco

Dark Buddy (suit)

Devon Hawkes Ludlow

Charlie the Train (voice)

Jimmica Collins

Betty Bunny (voice)

Madison Polan

Hannah

Bryson JonSteele

Derek

Seamus Flynn

Timothy

Bennie Taylor

Mailman Miles

Cedwan Hooks

Betty Bunny (suit)

Mark Aaron Buerkle

Therapist (Day Player)

Phuong Kubacki

Nurse Nancy

Luke Speakman

Josh