 | Dirk Bogarde als Stephen |
 | Stanley Baker als Charley |
 | Jacqueline Sassard als Anna |
 | Michael York als William |
 | Vivien Merchant als Rosalind |
 | Delphine Seyrig als Francesca |
 | Alexander Knox als Provost |
 | Ann Firbank als Laura |
 | Brian Phelan als Police Sergeant |
 | Terence Rigby als Plain Clothed Policeman |
 | Freddie Jones als Man in Bell's Office |
 | Jill Johnson als Secretary |
| Jane Hillary als Receptionist |
 | Maxwell Caulfield als Ted |
| Carole Caplin als Clarissa |
 | Harold Pinter als Bell - TV Producer |
| Nicholas Mosley als Don Hedges |
| Steven Easton als Stephen & Rosalind's Baby (uncredited) |
| Harold Pinter | Screenplay |
| Gerry Fisher | Director of Photography |
| Reginald Beck | Editor |
| Norman Priggen | Producer |
| Joseph Losey | Producer |
| Joseph Losey | Director |
| Nicholas Mosley | Novel |
| John Dankworth | Original Music Composer |
| Carmen Dillon | Art Direction |
| Beatrice Dawson | Costume Design |
| Pearl Tipaldi | Hairdresser |
| Gerry Humphreys | Sound Recordist |
| Simon Kaye | Sound Recordist |
| Bob Lawrance | Makeup Artist |
| Vicki Deason | Production Secretary |
| Pamela Davies | Continuity |
| Sue Yelland | Wardrobe Supervisor |
| David Snell | Musician |
| Geoffrey Stephenson | Property Buyer |
| Alf Pegley | Props |
| Geoffrey Haine | Production Supervisor |
| Derek V. Browne | Camera Operator |
| Alan Bell | Sound Editor |
| Richard F. Dalton | Assistant Director |
| Tony Morris | Construction Manager |
| Ted Reed | Still Photographer |
| Maureen Gregson | Unit Publicist |
| David Lindup | Orchestrator |
| John Marron | Musician |
| Theo Cowan | Publicist |
