• 
  Frederik Du Chau

  regizor

• 
  Adam Rifkin

  scenarist
• 
  Joe Piscatella

  scenarist

• 
  Alex Neuberger

  Jack
• 
  Jason Lee

  Shoeshine Boy (voce)
• 
  Amy Adams

  Polly (voce)
• 
  Patrick Warburton

  Cad
• 
  Jim Belushi

• 
  Peter Dinklage

  dr. Simon Barsinister
• 
  Armen Garo

  Cat Burglar Police #2
• 
  Bates Wilder

  Poliţist
• 
  Ellen Becker-Gray

  Woman at Bomb Scare
• 
  Michael Massee

  Supershep
• 
  Grady Justice

  College Guy
• 
  Albert M. Chan

  Geek Worker

• 
  Frank Ridley

  Sergent de poliţie
• 
  Donald Warnock

  Hot Dog Buyer - Exploding stand gag
• 
  Lewis D. Wheeler

  Geek with Glasses
• 
  Ezra Buzzington

  Referee
• 
  Samantha Bee

  Principal
• 
  Phil Morris

  Supershep
• 
  Brad Garrett

  Riff Raff
• 
  Scott Dittman

  Hot Dog Contestant
• 
  Danny Mastrogiorgio

  Crazy Dog
• 
  Taylor Momsen

  Molly
• 
  Cam Clarke

  Supershep / Little Brown Dog
• 
  Jess Harnell

  Astronaut
• 
  John DiMaggio

  Supershep / Bulldog
• 
  John Slattery

  Primar
• 
  Timothy Crowe

  Police Chief
• 
  Larry Vigus

  Security Guard
• 
  Bates Wilder

  Cop
• 
  Mario Mariani

  Police Officer
• 
  Alexander 'Alex' Garde

  Small Boy