5.5
95 min
The story evolves around a radio panel game show "Twenty Questions." The panel is challenged with an anonymous question. The answer leads to a series of murders in which the killer uses the programme to name his victims in advance. Two reporters spot a link between them and enlist the aid of the panel in trapping the guilty party.
| Name | Character | Team | |
|---|---|---|---|
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Robert Beatty | Bob Beacham | Unowned |
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Rona Anderson | Mary Game | Unowned |
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Clifford Evans | Tom Harmon | Unowned |
| Edward Lexy | Det. Insp. Charlton | Unowned | |
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Olga Lindo | Olive Tavy | Unowned |
| Daphne Padel | Self - The Twenty Questions Team | Unowned | |
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Jeanne De Casalis | Self - The Twenty Questions Team guest artiste | Unowned |
| Jack Train | Self - The Twenty Questions Team | Unowned | |
| Stewart MacPherson | Self - The Twenty Questions Team | Unowned | |
| Norman Hackforth | Self - The Twenty Questions Team 'Mystery Voice' | Unowned | |
| Richard Dimbleby | Self - The Twenty Questions Team | Unowned | |
| Harold Scott | Maurice Emery KC | Unowned | |
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Liam Redmond | Echo News editor | Unowned |
| Homi Bode | Mohammed Ali | Unowned | |
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Kynaston Reeves | Gen. Maitland | Unowned |
| Sonya O'Shea | Stewart MacPherson's secretary | Unowned | |
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Frederick Leister | Police Commissioner | Unowned |
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Wally Patch | Police Officer 'Tiny' White | Unowned |
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John Salew | John Grimshaw | Unowned |
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Gordon McLeod | Record News editor | Unowned |
| Philip King | Cheshire Cheese waiter | Unowned | |
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Arthur Young | Doctor | Unowned |
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Merle Tottenham | Mrs. Tavy's Neighbour (uncredited) | Unowned |
| Meadows White | Frederick 'Ricky' Tavey (uncredited) | Unowned |