IMDb Page
  • Average Age of Cast at Release:
  • Cast Members Alive:
  • Gender Split (F:M):
  • Percent of Cast with Demo Info:
Profile Pic Name Character Birthday Deathday Age at Release
Hugh Marlowe Dr. Russell A. Marvin
Joan Taylor Carol Marvin
Donald Curtis Maj. Huglin
Morris Ankrum Brig. Gen. John Hanley
Thomas Browne Henry Vice Adm. Enright
Grandon Rhodes Gen. Edmunds
John Zaremba Prof. Kanter
Paul Frees Alien (voice)
Frank Wilcox Alfred Cassidy
Sydney Mason Frank the garage man
Larry J. Blake Motorcycle cop
Bert Stevens Air Intelligence Command Officer
Forbes Murray Military Officer at Experiment
Arthur Tovey Officer/Civilian at Military Conference
Alan Wells Major Kimberly
Nicky Blair Military Officer at Experiment (uncredited)
Jimmy Cross Military Messenger (uncredited)
Jack Deery Military Officer (uncredited)
Charles Evans Dr. Alberts (uncredited)
Raoul Freeman Military Official (uncredited)
Paul Frees Alien (voice) (uncredited)
James Gonzalez Military Official (uncredited)
Duke Green Minor Role (uncredited)
Ed Haskett Military Official (uncredited)
Clark Howat Sgt. Nash (uncredited)
Harry Lauter Cutting - Generator Technician (uncredited)
Don Marlowe Minor Role (uncredited)
William Meader Worker in Control Tower (uncredited)
Sol Murgi Plane Passenger (uncredited)
Forbes Murray Military Officer at Experiment (uncredited)
William J. O'Brien Radio Listener (archive footage) (uncredited)
Murray Pollack Plane Passenger (uncredited)
Mike Ragan Tank Commander (uncredited)
Alan Reynolds Maj. Kimberly (uncredited)
Dale Van Sickel Man Crushed Beneath Wall (uncredited)
Guy Way Civilian Observing Saucer Attack (uncredited)
Bob Whitney Plane Passenger (uncredited)
Frank Wilcox Alfred Cassidy (uncredited)
Beal Wong Chinese Radio Listener (uncredited)
William Woodson Narrator (voice) (uncredited)