Nicolas Cage

Grug (voice)

Emma Stone

Eep (voice)

Ryan Reynolds

Guy (voice)

Catherine Keener

Ugga (voice)

Cloris Leachman

Gran (voice)

Clark Duke

Thunk (voice)

Leslie Mann

Hope Betterman (voice)

Peter Dinklage

Phil Betterman (voice)

Kelly Marie Tran

Dawn Betterman (voice)

Kailey Crawford

Sandy (voice)

Chris Sanders

Belt (voice)

James Ryan

Sash (voice)

Gabriel Jack

Young Guy (voice)

Melissa Disney

Guy's Mother (voice)

Joel Crawford

Guy's Father (voice)

Januel Mercado

Shaman Monkey (voice)

Ryan Naylor

Creepo Monkey (voice)

Artemis Pebdani

Additional Voices (voice)