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Edward Woodward as David Callan |
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Eric Porter as Hunter |
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Carl Möhner as Schneider |
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Catherine Schell as Jenny |
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Peter Egan as Toby Meres |
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Russell Hunter as Lonely |
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Kenneth Griffith as Waterman |
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Michael Da Costa as The Greek |
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Veronica Lang as Liz, Hunter's Secretary |
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Clifford Rose as Dr. Snell |
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David Prowse as Arthur |
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Don Henderson as George |
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Nadim Sawalha as Padilla |
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David Graham as Wireless Operator |
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Yuri Borienko as Security Porter |
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Peter Symonds as Smart Security Man |
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Raymond Bowers as Shabby Security Man |
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Joe Dunlop as Policeman |
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Mollie Maureen as Old Lady in the Strand |
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Anne Blake as Flag Lady |
| Writing | James Mitchell | Author |
| Directing | Don Sharp | Director |
| Production | Derek Horne | Producer |
| Editing | Teddy Darvas | Editor |
| Art | John Clark | Art Direction |
| Production | Harry Benn | Associate Producer |
| Sound | Wilfred Josephs | Original Music Composer |
| Production | Lesley De Pettit | Casting |
| Camera | Ernest Steward | Director of Photography |
