Jason Lee
Underdog (voce)James Belushi
Dan UngerPeter Dinklage
Simon BarsinisterAmy Adams
Sweet Polly Purebred (voce)Patrick Warburton
CadBrad Garrett
Riff Raff (voce)Jay Leno
El insusiJohn Slattery
PrimarulFrederik Du Chau
Adam Rifkin
Joe Piscatella
Craig A. Williams
Jason Lee
Underdog (voce)James Belushi
Dan UngerPeter Dinklage
Simon BarsinisterAmy Adams
Sweet Polly Purebred (voce)Patrick Warburton
CadBrad Garrett
Riff Raff (voce)Jay Leno
El insusiJohn Slattery
PrimarulAlex Neuberger
JackTaylor Momsen
MollyGary Barber
Roger Birnbaum
Jonathan Glickman
Jay Polstein
Randy Edelman
David Eggby
Tom Finan