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Eric Portman as Kuprin |
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John Gregson as Smith |
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Marius Goring as Laye-Parker |
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Martita Hunt as Madame Kuprin |
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Natasha Parry as Vera |
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Mervyn Johns as Holloway |
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John Phillips as Trifonov |
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Charles Rea as M.V.D. Officer |
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Kenneth J. Warren as Makarov |
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John Bramley as Photographer |
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John Bennett as Zagornetz |
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Alfred Hoffman as Hotel Clerk |
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Kevin Brennan as Hotel Manager |
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Peter Sallis as Hesketh-Payne |
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Beryl Measor as Marfushka |
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Declan Mulholland as Makarov's Assistant |
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Maurice Hedley as British Ambassador |
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Ann Patrick as Nina |
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Steve Reagan as Mr. Ashby (as Steve Regan) |
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John Rutland as Ticket Collector |
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Ann Dimitri as Tamara |
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Peter Elliott as Doctor |
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Frank Sieman as Reception Clerk |
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Patrick Troughton as Narrator (voice) |
| Writing | Maurice Edelman | Author |
| Writing | Anthony Steven | Writer |
| Directing | John Holloway | Director |
