Nicolas Cage

Grug Crood (voice)

Ryan Reynolds

Guy (voice)

Emma Stone

Eep Crood (voice)

Catherine Keener

Ugga Crood (voice)

Cloris Leachman

Gran Crood (voice)

Randy Thom

Sandy Crood (voice)

Clark Duke

Thunk Crood (voice)

Chris Sanders

Belt (voice)