| Cast list | | Trevor Howard | as | John Bain | | Dorothy Dandridge | as | Gianna | | Edmund Purdom | as | Peter Carran | | Michael Hordern | as | Inspector Farrell | | Paul Stassino | as | Juan Montoya | | John Bailey | as | Cecil | | Alfred Burke | as | Shapley | | Peter Illing | as | Pawnbroker | | Neville Becker | as | Gigolo | | Martin Boddey | as | Sir John Middleburgh | | Thelma D'Aguilar | as | Spanish Woman | | Peter Elliott | as | Waiter | | Helen Goss | as | Lady Middleburgh | | Barry Keegan | as | Corrigan | | Brian Worth | as | Airport Guard |
| | Crew list: | | Laslo Benedek (Director) | | Donald MacKenzie (Writer) | | David D. Osborn (Writer) |
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