Jason Lee
Shoeshine / Underdog (voice)
Jim Belushi
Dan Unger
Patrick Warburton
Cad
John Slattery
Mayor
Peter Dinklage
Dr. Simon Barsinister
Brad Garrett
Riff Raff (voice)
Taylor Momsen
Molly
Amy Adams
Polly Purebred (voice)
Alex Neuberger
Jack Unger
Larry Vigus
Security Guard
Bates Wilder
Cop
Frank Ridley
Police Sergeant
Alexander 'Alex' Garde
Small Boy
Diana Shneider
Police Secretary
Samantha Bee
Principal
John Franchi
Observer
Ezra Buzzington
Referee
Jay Leno
Jay Leno
Susie Castillo
Diana Flores
Phil Morris
Supershep 1 (voice)
Michael Massee
Supershep 2 (voice)
Cam Clarke
Little Brown Dog / Supershep 3 (voice)
John DiMaggio
Bulldog / Supershep 4 (voice)
Danny Mastrogiorgio
Crazy Dog (voice)
Jess Harnell
Astronaut (voice)
Susan Garfield
Office Worker
Timothy Crowe
Police Chief
Frederik Du Chau
Director
Adam Rifkin
Novel
Craig A. Williams
Screenplay
David Eggby
Director of Photography
Roger Birnbaum
Producer
Joe Piscatella
Screenplay
Gary Barber
Producer
Jonathan Glickman
Producer
Randy Edelman
Original Music Composer
Erin Stam
Co-Producer
Boone Narr
Animal Coordinator
Robert L. Sephton
Sound Designer
Joe Piscatella
Story
Todd Arnow
Executive Producer
Robert L. Sephton
Supervising Sound Editor
Peggy Nicholson
Hair Department Head
Bob Higgins
Executive Producer
Gail Goldberg
Casting Director
Charles Martin Inouye
Supervising Music Editor
Kelly Cronin
Script Supervisor
Ellen M. Hillers
Second Assistant Director
Craig A. Williams
Story
Eric Ellenbogen
Executive Producer
Donna E. Bloom
Unit Production Manager
Philip A. Patterson
First Assistant Director
Adam Rifkin
Story
Hoyt Yeatman
Visual Effects Supervisor
Paul J. Lombardi
Special Effects Coordinator
Rebekah Rudd
Co-Producer
Todd Arnow
Unit Production Manager
Andy Fowler
Visual Effects Producer
Tanya Noel Hill
Music Editor
Montez A. Monroe
Production Coordinator
Adam Rifkin
Screenplay
Rob Duncan
Visual Effects Supervisor
Bob Brown
Second Unit Director
Mark Dornfeld
Visual Effects Supervisor
Gayle Busby
Visual Effects Producer
Ben Shepherd
Visual Effects Supervisor
Lisa Shaftel
Scenic Artist
Jon H. Epstein
Stunt Coordinator
Caroline Vexler
Stunts
Stuart F. Wilson
Stunts
Jimmy P. Wong
Stunts
Bob Brown
Stunt Coordinator
Shawn Kautz
Stunts
Aaron Vexler
Stunts
Joanne Lamstein
Stunts
Ian Mclaughlin
Stunts
Kimberly Shannon Murphy
Stunts
Garreth Stover
Production Design
Maggie Martin
Set Decoration
Tom Finan
Editor
James F. Truesdale
Art Direction
Gary Jones
Costume Design
Jay Polstein
Producer
Joe Rossi
Makeup Department Head