The Deadly Mantis

A giant prehistoric praying mantis, recently freed from the Arctic ice, voraciously preys on American military at the DEW Line and works its way south.

• 
  Nathan Juran
• 
  William Holland

• 
  Craig Stevens
  Col. Joe Parkman
• 
  William Hopper
  Dr. Nedrick 'Ned' Jackson
• 
  Alix Talton
  Marge Blaine
• 
  Donald Randolph
  Gen. Mark Ford
• 
  Florenz Ames
  Prof. Anton Gunther
• 
  Paul Smith
  Corporal
• 
  Paul Campbell
  Lt. Fred Pizar
• 
  Pat Conway
  Sgt. Pete Allen
• 
  Phil Harvey
  Lou
• 
  Helen Jay
  Mrs. Farley
• 
  Bing Russell
  State Trooper
• 
  David McMahon
  Capt. Frank Carver
• 
  Marvin Miller
  Narrator (voice)
• 
  Michael Forest
  Photographer (uncredited)
• 
  Sumner Williams
  C-47 Pilot (uncredited)