Trailer
Cast
Michael Shannon
Charlie the Train / Willie (voice)
Clint Howard
George (voice)
Phuong Kubacki
Nurse Nancy
Rachel Appelbaum
Clocky / Mr. Mailbox
Madison Polan
Hannah
Mark Aaron Buerkle
Therapist (Day Player)
Luke Speakman
Josh
Eric Salazar
Dad
Tory J. Malone
Tyler
Cristin Milioti
Grace
Topher Grace
Ben
Patton Oswalt
Strappy (voice)
Eric Bauza
Mr. Mailbox / Worry Well / Couchy / Trashy / Pee Flower (voice)
Bryson JonSteele
Derek
Tristan Borders
Oliver
Caleb Williams
Wade
Sergey Zhuravsky
Buddy the Unicorn (suit)
Cedwan Hooks
Betty Bunny (suit)
Jimmica Collins
Betty Bunny (voice)
Delaney Quinn
Freddy
Keegan-Michael Key
Buddy the Unicorn (voice)