Marmaduke

Lee Pace

Phil Winslow

Judy Greer

Debbie Winslow

Owen Wilson

Marmaduke (voice)

Emma Stone

Mazie (voice)

George Lopez

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)

Damon Wayans Jr.

Thunder (voice)

Marlon Wayans

Lightning (voice)

Sam Elliott

Chupadogra (voice)

William H. Macy

Don Twombly

David Walliams

Anton Harrison

Glenn McCuen

Bodie

Raugi Yu

Drama Trainer

Chris Colfer

Drama Dog #2 (voice)

Josh Gad

Bandana Dog (voice)

Ash Lee

Male Executive

Heather Doerksen

Female Executive

Madison Desjarlais

Brunette Girl

Nicole Muñoz

3rd OC Girl