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