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)"

Lee Pace

"Phil Winslow"

Judy Greer

"Debbie Winslow"

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"

Nicole Muñoz

"3rd OC Girl"

Jason Bryden

"Man on Bench"

Frank Topol

"Buff Owner"

Izaak Smith

"Basketball Captain"

Keith Dallas

"Emergency Road Worker"

P.J. Prinsloo

"Lead Fireman"

Colin Decker

"Fireman"

Charles Jarman

"Fireman"

Garvin Cross

"Fireman"

Chris Bradford

"Fireman"

Hope Levy

"Afghan #1 (voice)"

Anjelah Johnson-Reyes

"Afghan #2 (voice)"

Devon Werkheiser

"Drama Dog #1 / Shroom Do…"

Hudson Thames

"Delinquent Dog (voice)"

Francisco Ramos

"Purse Dog #1 (voice)"

Bernardo de Paula

"Purse Dog #2 (voice)"

Eddie 'Piolin' Sotelo

"Purse Dog #3 (voice)"

Jack McGee

"Dalmatian (voice)"

Liza Lapira

"Party Dog #1 (voice)"

King Kedar

"Surfing Award Dog / Beac…"

Todd Glass

"Doberman / Shasta (voice)"

Ryan Devlin

"Beach Dog #2 (voice)"

Jeffrey Garcia

"Beach Dog #3 (voice)"