Réalisateur(s)

Scénariste(s)

Casting

Musique

Crédits complets

Casting

  • 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)

Equipe technique

  • Fred F. Sears ... Réalisateur
  • Donald E. Keyhoe ... Novel
  • Curt Siodmak ... Screenstory
  • George Worthing Yates ... Scénario
  • Bernard Gordon ... Scénario
  • Ray Harryhausen ... Visual Effects
  • Fred Jackman Jr. ... Chef-opérateur
  • Paul Palmentola ... Direction Artistique
  • Danny B. Landres ... Monteur
  • Sidney Clifford ... Set Decoration
  • Gene Anderson Jr. ... Assistant Director
  • Russ Kelley ... Special Effects
  • J.S. Westmoreland ... Sound
  • Jack Erickson ... Production Coordinator
  • Leon Chooluck ... Unit Manager
  • Charles H. Schneer ... Producteur
  • Sam Katzman ... Producteur exécutif