cast
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Michael Caine
Maj. John Tarrant
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Donald Pleasence
Cedric Harper
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Delphine Seyrig
Ceil Burrows
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Clive Revill
Alf Chestermann
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John Vernon
McKee
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Joss Ackland
Chief Supt. Wray
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Janet Suzman
Alex Tarrant
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Catherine Schell
Lady Melissa Julyan
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Joseph O'Conor
Sir Edward Julyan
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Denis Quilley
Bateson
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Derek Newark
Monitoring Policeman
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Edward Hardwicke
Mike McCarthy
- Maureen Pryor Jane Harper
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Joyce Carey
Miss Monley
- Preston Lockwood Ilkeston
- Molly Urquhart Margaret
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David Daker
MI5 Man
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Hermione Baddeley
Hetty
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Patrick Barr
Gen. St. John
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Yves Afonso
Jacques (uncredited)
- Del Baker Shadow (uncredited)
- Murray Brown Doctor (uncredited)
- Les Conrad M15 Man (uncredited)
- George Lane Cooper Pincus (uncredited)
- Brenda Cowling Secretary (uncredited)
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Robert Dorning
Jeweller (uncredited)
- Roy Everson M15 Man (uncredited)
- Nancy Gabrielle Manageress (uncredited)
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Jill Goldston
Commuter (uncredited)
- Charlie Gray Tourist (uncredited)
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Peter Halliday
Customs Officer (uncredited)