• 
  Sarah Bisman

  Announcer (voice)
• 
  Marjorie Ocho Kouns

  Natalie Rivera (voice)
• 
  Jewel Elizabeth

  Dr. Carol Woking (voice)
• 
  Steve Rimpici

  Newscaster (voice)
• 
  Heidi Tabing

  Dr. Chu (voice)
• 
  Anthony Aroya

  Colonel John Lewes (voice)
• 
  Christopher H. Baum

  Narrator (voice)
• 
  Doug Myers

  Special Agent McKay (voice)

• 
  Leah Frederick

  The Colonel (voice)
• 
  Tyler Abbott

  Corporal Padmore (voice)
• 
  Harry Schuster

  Farmer (voice)
• 
  Scott Raven

  The President (voice)
• 
  J. Christopher Dunn

  General Horowitz (voice)
• 
  Mike Lemmerling

  The Lieutenant (voice)
• 
  Kevin Irlen

  Mr. Winslow (voice)