Ultimátum (1950)
Un científico amenaza con detonar una bomba atómica si el gobierno no anuncia el final de cualquier investigación en este campo dentro de una semana.
Dirección:
Roy Boulting, John Boulting.
Escritores:
Roy Boulting, Frank Harvey.
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Barry Jones as Professor John Malcolm Francis Willingdon |
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André Morell as Superintendent G.W. Folland |
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Olive Sloane as Goldie Phillips |
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Sheila Manahan as Ann Willingdon |
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Hugh Cross as Stephen Lane |
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Joan Hickson as Mrs. Emily Georgina Peckett |
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Ronald Adam as Arthur Lytton, the Prime Minister |
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Marie Ney as Mrs. Willingdon |
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Joss Ackland as Station Policeman |
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Marianne Stone as Woman in Phone Box |
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John Stratton as Army Mechanic |
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George Spence as Man on Bus (uncredited) |
| Camera | Ray Sturgess | Camera Operator |
| Art | John Elphick | Production Design |
| Production | Peter De Sarigny | Associate Producer |
| Production | John Palmer | Production Manager |
| Directing | Mike Johnson | Assistant Director |
| Camera | Robert Huke | Camera Operator |
| Camera | Gerald Moss | Camera Operator |
| Camera | Dennis Fox | Camera Operator |
| Sound | Bert Ross | Sound Recordist |
| Costume & Make-Up | U. P. Hutchinson | Makeup Artist |
| Sound | Bert Eggleton | Sound Editor |
| Sound | Ann Chegwidden | Assistant Sound Editor |
| Sound | Hubert Clifford | Conductor |
| Editing | John Boulting | Editor |
| Editing | Roy Boulting | Editor |
| Directing | Roy Boulting | Director |
| Directing | John Boulting | Director |
| Writing | Roy Boulting | Screenplay |
| Writing | Frank Harvey | Screenplay |
| Writing | Paul Dehn | Story |
| Writing | James Bernard | Story |
| Camera | Gilbert Taylor | Director of Photography |
| Sound | John Addison | Original Music Composer |
| Costume & Make-Up | Honoria Plesch | Costume Design |
| Directing | Shirley Barnes | Continuity |
| Production | John Boulting | Producer |
| Production | Roy Boulting | Producer |
| Production | Dorothy Holloway | Casting |
| Sound | Eric Cass | Boom Operator |
