| Cast list | | Dirk Bogarde | as | Sebastian | | Nigel Davenport | as | Gen. Phillips | | John Gielgud | as | Head of Intelligence | | Lilli Palmer | as | Elsa Shahn | | Susannah York | as | Rebecca Howard | | Ann Beach | as | Pamela | | James Belchamber | as | Man with Dog | | Veronica Clifford | as | Ginny | | Charles Farrell | as | Taxi Driver | | Ronald Fraser | as | Toby | | Alan Freeman | as | TV Disc Jockey | | Margaret Johnston | as | Miss Elliott | | Charles Lloyd Pack | as | Chess Player | | Portland Mason | as | 'UG' Girl | | Hayward Morse | as | Gavin | | Janet Munro | as | Carol Fancy | | Louise Perinell | as | Thelma | | Lynn Pinkney | as | Joan | | Jeanne Roland | as | Randy | | John Ronane | as | Jameson | | Ann Sidney | as | Naomi | | Donald Sutherland | as | Ackerman | | Susan Whitman | as | Tilly |
| | Crew list: | | David Greene (Director) | | Leo Marks (Writer) | | Gerald Vaughan-Hughes (Writer) |
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