Obsada:
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Craig Stevens
Col. Joe Parkman
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William Hopper
Dr. Nedrick 'Ned' Jackson
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Alix Talton
Marge Blaine
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Donald Randolph
Gen. Mark Ford
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Pat Conway
Sgt. Pete Allen
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Florenz Ames
Prof. Anton Gunther
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Paul Smith
Parkman's Clerk Corporal
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Phil Harvey
Radar Man Lou
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Floyd Simmons
Army Sergeant
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Paul Campbell
Lt. Fred Pizar
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Helen Jay
Mrs. Farley
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Keith Aldrich
Jerry - C47 Co-Pilot
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William Anders
Sergeant - Archer Control
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Marvin Bryan
Machine-Gunner
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John Close
Engineer
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Tom Cound
Group Capt. Hawkins
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William A. Forester
Announcer
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Paul Frees
Opening Narrator
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Tom Greenway
Second Reporter
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James R. Haskin
Civilian Announcer
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Jess Kirkpatrick
Father
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James Lanphier
Col. Harvey
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Ned Le Fevre
Announcer
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Harold Lee
Greenland Eskimo Chief
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George Lynn
Mutual Transportation Bus Driver
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Jack Mather
Officer
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David McMahon
Capt. Frank Carver
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Edward McNally
Policeman
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Marvin Miller
Narrator
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Madelon Mitchell
Mother
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Ernesto Morelli
Italian Fisherman
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Sigurd Nilssen
Prof. Harvey Pierce
-
Dick Paxton
Plotter
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Bing Russell
State Trooper at Train & Bus Wrecks
-
Harry Tyler
Manhattan Tunnel Spectator
-
Sumner Williams
C47 Pilot
