• 
  Taylor Kitsch

  Sam (voce)
• 
  Jason Kravits

  Oscar (voice)
• 
  Carla Gugino

  Catherine
• 
  James Woods

  Victor (voce)
• 
  Tom Green

  Okra
• 
  Jim Breuer

  Mr.Glump (voice)
• 
  Richard Epcar

  Captain Black (voice)
• 
  Steve Kramer

  Zang (voice)

• 
  Lex Lang

  OX King (voice)
• 
  Alicyn Packard

  Cancan Robot (voice)
• 
  Dave B. Mitchell

  Police01 / Boxer (voice)
• 
  Zachary Rice

  Young Sam (voice)
• 
  Meira Blinkoff

  Minitar (voice)
• 
  Eva Bella

  Young Sue (voice)
• 
  Julian Zane

  Minitar (voice)

• 
  Asher Blinkoff

  Minitar (voice)
• 
  Jason Mewes

  Kit (voice)
• 
  Jennette McCurdy

  Sue (voice)
• 
  Jon Heder

  Wilmer (voice)