• 
  John H. Williams

  regizor

• 
  Patrick Warburton

  Titan
• 
  Tom Kenny

  Ham / Reporter #1
• 
  Zack Shada

  Comet
• 
  Carlos Alazraqui

  Houston / Piddles The Clown / Camera Guy
• 
  Cheryl Hines

  Luna
• 
  David Michie

  Alien #2
• 
  Jane Lynch

  Dr. Poole

• 
  John DiMaggio

  Zartog / Human #1 / Human #2
• 
  Laura Bailey

  Kilowatt / Computer Voice / Instar Receptionist / Girl Reporter
• 
  Noreen Reardon

  Alien #1
• 
  Omid Abtahi

  Dr. Jagu / Reporter #2
• 
  Patrick Breen

  Dr. Bob
• 
  Spencer Gray

  Chimpanzee #3
• 
  Stanley Tucci

  senator (voce)

• 
  John H. Williams

  producător executiv