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John Ratzenberger
Mutt (voice)
Chris Coppola
Tune (voice)
Ziggy Marley
Dog Gnarly (voice)
Kaitlyn Maher
Tiny (voice)
Brian Hull
Murray (voice)
Hugh Scott
Westie (voice)
Diedrich Bader
Kano (voice)
Nikki Blonsky
Lady Paw Paw (voice)
Steve Valentine
Simon Growl (voice)
Lombardo Boyar
Doberman Guard (voice)
Nicholas Harrison
Owen
Jed Rees
Roland
Maulik Pancholy
Raj (voice)
Jesse Filkow
Boy
Tom Everett Scott
Charlie (voice)
David DeLuise
Steven
Christina Sicoli
Toots
Jocelyne Loewen
Sally
George Newbern
Bark (voice)
Bonnie Somerville
Emily Rose (voice)
Jonathan Mangum
Rover (voice)
Obba Babatundé
Big Ears (voice)
Juicy J
P-Diggy (voice)
Jason Spisak
Australian Shepherd (voice)
Carla Jimenez
Ida
Makenzie Moss
Lou
Jared Gertner
Puglay (voice)
Danny Woodburn
Bulldog (voice)