Box

Brad Abrell

Dad (voice)

Keith Ferguson

Carnie (voice)

Nika Futterman

Happy Kid (voice)

David Kaye

Joaquin Furmano (voice)

Fred Tatasciore

Flea (voice)

Kari Wahlgren

Kid Ant (voice)

Hynden Walch

Happy Kid 2 (voice)

Stephanie Courtney

Loretta Mums (voice)

Dee Bradley Baker

Chickeraffe (voice)

Michael Douglas

Guy-Am-I (voice)

Ilana Glazer

Eb (voice)

Diane Keaton

Michellee (voice)

Keegan-Michael Key

Narrator (voice)

Eddie Izzard

Snerz (voice)

Tracy Morgan

Fox (voice)

Adam Devine

Sam-I-Am (voice)

Jillian Bell

Gluntz/Hayzel (voice)

Jeffrey Wright

McWinkle (voice)