Marmaduke (voice)
Zeus (voice)
Phil (voice)
EntertainMutt Tonight Host (voice)
Dottie (voice)
Billy (voice)
Barbara (voice)
King Tut (voice)
Guy (voice)
Amy (voice)
Henri (voice)
Announcer (voice)
Shantrelle (voice)
Zhi (voice) (as John Bosch)
Juan Pedro (voice)
Javier (voice)
Vinnie (voice)
Ronnie (voice)
Phone Girl (voice)
Derek (voice)
Bee (voice)
Clown (voice)
Butcher (voice)
Shar Pei (voice)
Male Judge (voice)
Cheerleader #1 (voice)
Cheerleader #2 (voice)
Capt. Jake S. Dean (voice)
Chloe Laureno (voice)
Additional Voices (voice) (as Sabra Choi)
Additional Voices (voice) (as Rebecca Ann Davis)
Additional Voices (voice)
Additional Voices (voice) (as David H. Fennoy)
Additional Voices (voice) (as Andre Sogliuzzo)