Marmaduke (voice)

Owen Wilson

Acting

Mazie (voice)

Emma Stone

Acting

Carlos (voice)

George López

Acting

Barbara Winslow

Caroline Sunshine

Acting

Brian Winslow

Finley Jacobsen

Acting

Raisin (voice)

Steve Coogan

Acting

Giuseppe (voice)

Christopher Mintz-Plasse

Acting

Jezebel (voice)

Fergie

Acting

Bosco (voice)

Kiefer Sutherland

Acting

Phil Winslow

Lee Pace

Acting

Debbie Winslow

Judy Greer

Acting

Thunder (voice)

Damon Wayans Jr.

Acting

Lightning (voice)

Marlon Wayans

Acting

Chupadogra (voice)

Sam Elliott

Acting

Don Twombly

William H. Macy

Acting

Anton Harrison

David Walliams

Acting

Bodie

Glenn McCuen

Acting

Drama Trainer

Raugi Yu

Acting

Drama Dog #2 (voice)

Chris Colfer

Acting

Bandana Dog (voice)

Josh Gad

Acting

Male Executive

Ash Lee

Acting

Female Executive

Heather Doerksen

Acting

Brunette Girl

Madison Desjarlais

Acting

3rd OC Girl

Nicole Muñoz

Acting

Jock

Christopher Attadia

Acting

Man on Bench

Jason Bryden

Acting

Buff Owner

Frank Topol

Acting

Basketball Captain

Izaak Smith

Acting

Emergency Road Worker

Keith Dallas

Acting

Lead Fireman

P.J. Prinsloo

Acting

Fireman

Colin Decker

Crew

Fireman

Charles Jarman

Crew

Fireman

Garvin Cross

Acting

Fireman

Chris Bradford

Acting

Afghan #1 (voice)

Hope Levy

Acting

Sweater Dog (voice)

Randall Montgomery

Acting

Afghan #2 (voice)

Anjelah Johnson-Reyes

Acting

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

Devon Werkheiser

Acting

Delinquent Dog (voice)

Hudson Thames

Acting

Purse Dog #1 (voice)

Francisco Ramos

Acting

Purse Dog #2 (voice)

Bernardo de Paula

Acting

Purse Dog #3 (voice)

Eddie 'Piolin' Sotelo

Acting

Dalmatian (voice)

Jack McGee

Acting

Party Dog #1 (voice)

Liza Lapira

Acting

Surfing Award Dog / Beach Dog #4 (voice)

King Kedar

Acting

Doberman / Shasta (voice)

Todd Glass

Acting

Beach Dog #2 (voice)

Ryan Devlin

Acting

Beach Dog #3 (voice)

Jeffrey Garcia

Acting