It Conquered the World

An alien from Venus tries to take over the world with the help of a disillusioned human scientist, as his wife, his best friend and the friend's wife try to intervene.

• 
  Lee Van Cleef

  Dr. Tom Anderson
• 
  Beverly Garland

  Claire Anderson
• 
  Peter Graves

  Dr. Paul Nelson
• 
  Sally Fraser

  Joan Nelson
• 
  Russ Bender

  General James Pattick
• 
  Jonathan Haze

  Pvt. Miguel Ortiz
• 
  Dick Miller

  Sgt. Neil
• 
  Charles B. Griffith

  Dr. Pete Shelton
• 
  Karen Kadler

  Ellen Peters
• 
  Taggart Casey

  Sheriff N.J. Shallert