Also Known As:
- El día que paralizaron la Tierra
- Der Tag, an dem die Erde stillstand
- El día que paralizaron la tierra
- Le jour où la terre s'arrêta
- A nap, mikor a Föld elhallgatott
- De dag waarop de aarde stilstond
- Den dag, jorden stod stille
- Dzien w którym ziemia zamarla
- El día que la tierra se detuvo
- Mannen från Mars
- Mission spaciale - Le jour où la terre s'arrêta
- O Dia em Que a Terra Parou
- O Dia em que a Terra Parou
- Otan i Gi stamatisi...
- Päivä jolloin maailma seisahtui
- Uhkavaatimus Maalle
- Ultimátum a la Tierra
- Ultimatum alla Terra
- Robert Wise
- Edmund H. North
- Harry Bates
- Michael Rennie ... Klaatu
- Patricia Neal ... Helen Benson
- Hugh Marlowe ... Tom Stevens
- Sam Jaffe ... Professor Jacob Barnhardt
- Billy Gray ... Bobby Benson
- Frances Bavier ... Mrs. Barley
- Lock Martin ... Gort
- Patrick Aherne ... General at Pentagon
- Holly Bane ... Army Captain
- Oscar Blanke ... Peddler
- Marshall Bradford ... Chief of Staff
- John Brown ... George Barley
- John Burton ... British Radio Announcer
- Wheaton Chambers ... Mr. Bleeker
- Jean Charney ... Mother
- Beulah Christian ... Secretary
- John Close ... Captain
- Louise Colombet ... French Woman
- James Conaty ... General at Pentagon
- Frank Conroy ... Mr. Harley
- Eric Corrie ... British Soldier
- John Costello ... Cockney
- James Craven ... Businessman
- Marjorie Crossland ... Hilda
- Jack Daly ... Minor Role
- Elmer Davis ... Himself - Commentator
- James Dean ... Soldier
- Lawrence Dobkin ... Army Physician
- Jim Doyle ... Medical Corps Major
- Roy Engel ... Government Man
- Charles Evans ... Major General
- Edith Evanson ... Mrs. Crockett
- Franklyn Farnum ... Extra in Office Building Corridor
- Michael Ferris ... British Soldier
- Elizabeth Flournoy ... Emma - Jewelry Clerk
- Grady Galloway ... American Radar Operator
- Bill Gentry ... Sentry
- Paul Gerrits ... Minor Role
- Glenn Hardy ... Interviewer
- Sam Harris ... Scientific Delegate
- Harry Harvey ... Taxi Driver
- Gabriel Heatter ... Himself - Commentator
- Gil Herman ... Government Agent
- John Hiestand ... TV Announcer on Truck
- H.V. Kaltenborn ... Himself - Commentator
- Hassan Khayyam ... Indian Radio Announcer
- Harry Lauter ... Platoon Leader
- Freeman Lusk ... General Cutler
- George Lynn ... Colonel Ryder
- Herbert Lytton ... Brigadier General
- Michael Mahoney ... Sentry
- Sandee Marriott ... Minor Role
- David McMahon ... Air Force Sergeant
- Tyler McVey ... Brady
- Harold Miller ... Military Officer at Pentagon Meeting
- Ralph Montgomery ... Government Man
- Bruce Morgan ... Government Man
- Bill Neff ... Police Officer Behind Desk
- Howard Negley ... Colonel
- Dorothy Neumann ... Margaret - Secretary
- Sammy Ogg ... Sam
- Robert Osterloh ... Major White
- Gayle Pace ... Captain
- Drew Pearson ... Himself - Commentator
- Ted Pearson ... Colonel
- House Peters Jr. ... Military Police Captain
- 'Snub' Pollard ... Cab Driver
- John M. Reed ... Tank Driver
- Barry Regan ... Minor Role
- Fay Roope ... Major General
- Pola Russ ... Russian Woman
- James Seay ... Government Man
- Charles Sherlock ... Government Man
- Peter Similuk ... Russian Pilot
- Bob Simpson ... Colonel
- Marc Snow ... Government Man
- Olan Soule ... Mr. Krull
- Kim Spalding ... Army Orderly
- Murray Steckler ... Soldier
- Harmon Stevens ... Minor Role
- Charles Tannen ... Voice of Radio Announcer
- Harlan Warde ... Carlson
- Gil Warren ... Government Man
- Kipp Whitman ... Sentry
- Rush Williams ... Military Police Sergeant
- Wilson Wood ... Government Man
- Carleton Young ... Colonel in Jeep
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