ຕົວຢ່າງ
ນັກສະແດງ
Keegan-Michael Key
Buddy the Unicorn (voice)
Luke Speakman
Josh
Madison Skyy Polan
Hannah
Mark Aaron Buerkle
Therapist (Day Player)
Michael Shannon
Willie (voice)
Delaney Quinn
Freddy
Eric Bauza
Mr. Mailbox / Worry Well / Couchy / Trashy / Pee Flower (voice)
Topher Grace
Ben
Seamus Flynn
Timothy
Devon Hawkes Ludlow
Charlie the Train (voice)
Cristin Milioti
Grace
Caleb Williams
Wade
Tristan Borders
Oliver
Bryson JonSteele
Derek
Phuong Kubacki
Nurse Nancy
Jonathan Yurco
Dark Buddy (suit)
Cedwan Hooks
Betty Bunny (suit)
Eric Salazar
Grilling Man
Bennie Taylor
Mailman Miles
Clint Howard
George
Patton Oswalt
Strappy (voice)
Tory J. Malone
Tyler
Rachel Appelbaum
Clocky / Mr. Mailbox (uncredited)
Brooke Bloom
Dr. Deborah Burr
Jimmica Collins
Betty Bunny (voice)
Sergey Zhuravsky
Buddy the Unicorn (suit)