Marmaduke

Owen Wilson

as Marmaduke (voice)

Emma Stone

as Mazie (voice)

George Lopez

as Carlos (voice)

Caroline Sunshine

as Barbara Winslow

Finley Jacobsen

as Brian Winslow

Steve Coogan

as Raisin (voice)

Christopher Mintz-Plasse

as Giuseppe (voice)

Fergie

as Jezebel (voice)

Kiefer Sutherland

as Bosco (voice)

Lee Pace

as Phil Winslow

Judy Greer

as Debbie Winslow

Damon Wayans Jr.

as Thunder (voice)

Marlon Wayans

as Lightning (voice)

Sam Elliott

as Chupadogra (voice)

William H. Macy

as Don Twombly

David Walliams

as Anton Harrison

Glenn McCuen

as Bodie

Raugi Yu

as Drama Trainer

Chris Colfer

as Drama Dog #2 (voice)

Josh Gad

as Bandana Dog (voice)

Ash Lee

as Male Executive

Heather Doerksen

as Female Executive

Madison Desjarlais

as Brunette Girl

Nicole Muñoz

as 3rd OC Girl

Christopher Attadia

as Jock

Jason Bryden

as Man on Bench

Frank Topol

as Buff Owner

Izaak Smith

as Basketball Captain

Keith Dallas

as Emergency Road Worker

P.J. Prinsloo

as Lead Fireman

Colin Decker

as Fireman

Charles Jarman

as Fireman

Garvin Cross

as Fireman

Chris Bradford

as Fireman

Hope Levy

as Afghan #1 (voice)

Randall Montgomery

as Sweater Dog (voice)

Anjelah Johnson-Reyes

as Afghan #2 (voice)

Devon Werkheiser

as Drama Dog #1 / Shroom Dog #2 / Golden Dog / Cocker Spaniel (voice)

Hudson Thames

as Delinquent Dog (voice)

Francisco Ramos

as Purse Dog #1 (voice)

Bernardo de Paula

as Purse Dog #2 (voice)

Eddie 'Piolin' Sotelo

as Purse Dog #3 (voice)

Jack McGee

as Dalmatian (voice)

Liza Lapira

as Party Dog #1 (voice)

King Kedar

as Surfing Award Dog / Beach Dog #4 (voice)

Todd Glass

as Doberman / Shasta (voice)

Ryan Devlin

as Beach Dog #2 (voice)

Jeffrey Garcia

as Beach Dog #3 (voice)