Owen Wilson

Marmaduke (voice)

Emma Stone

Mazie (voice)

George López

Carlos (voice)

Caroline Sunshine

Barbara Winslow

Finley Jacobsen

Brian Winslow

Steve Coogan

Raisin (voice)

Christopher Mintz-Plasse

Giuseppe (voice)

Fergie

Jezebel (voice)

Kiefer Sutherland

Bosco (voice)

Lee Pace

Phil Winslow

Judy Greer

Debbie Winslow

Damon Wayans Jr.

Thunder (voice)

Marlon Wayans

Lightning (voice)

Sam Elliott

Chupadogra (voice)