Catherine Keener

Ugga (voice)

Nicolas Cage

Grug (voice)

Cloris Leachman

Gran (voice)

Ryan Reynolds

Guy (voice)

Peter Dinklage

Phil Betterman (voice)

Leslie Mann

Hope Betterman (voice)

Emma Stone

Eep (voice)

Clark Duke

Thunk (voice)

Chris Sanders

Belt (voice)

Melissa Disney

Guy's Mother (voice)

James Ryan

Sash (voice)

Joel Crawford

Guy's Father (voice)

Director

Kelly Marie Tran

Dawn Betterman (voice)

Kailey Crawford

Sandy (voice)

Gabriel Jack

Young Guy (voice)