Marmaduke

Pete Davidson

Zeus (voice)

J.K. Simmons

Phil Winslow (voice)

David Koechner

Dottie

Julie Nathanson

EntertainMutt Tonight Host (voice)

Mary Hart

Ronnie (voice)

Jason Anthony

Shantrelle (voice)

Shelby Young

Billy Winslow (voice)

Terri Douglas

Cheerleader #1 (voice)

Tania Gunadi

Barbara Winslow (voice)

Erin Fitzgerald

Guy Hilton (voice)

Brian Hull

King Tut (voice)

Stephen Stanton

Amy (voice)

Sumalee Montano

Henri / Phillipe (voice)

Andrew Morgado

Announcer (voice)

Chris Hackney

Zhi (voice)

Johnny Yong Bosch

Juan Pedro (voice)

Nika Futterman

Javier (voice)

Melissa Disney

Vinnie (voice)

Fred Tatasciore

Phone Girl (voice)

Vanessa Marshall

Derek (voice)

Nickie Bryar

Bee (voice)

Joey Camen

Clown (voice)

Rene Mujica

Butcher (voice)

Sean Rohani

Shar Pei (voice)

Joey D'Auria

Male Judge (voice)

Cellin Gluck

Cheerleader #2 (voice)

Rachelle Heger

Capt. Jake S. Dean (voice)

Jason Pace

Chloe Laureno (voice)

Sarah Jean Pace

Additional Voices (voice)

Sabra May

Additional Voices (voice)

Rebecca Davis

Additional Voices (voice)

Brian T. Delaney

Additional Voices (voice)

Dave Fennoy

Additional Voices (voice)

André Sogliuzzo