 | Tom Courtenay Gerald Arthur Otley |
 | Romy Schneider Imogen |
 | Alan Badel Alec Hadrian |
 | James Villiers Hendrickson |
 | Leonard Rossiter Johnson |
 | James Bolam Albert |
 | Fiona Lewis Lin |
 | Freddie Jones Philip Proudfoot |
 | James Cossins Jeffcot |
 | James Maxwell Rollo |
 | Phyllida Law Jean |
 | Edward Hardwicke Lambert |
 | Barry Fantoni Larry |
 | Ronald Lacey Curtis |
 | Frank Middlemass Bruce |
 | Geoffrey Bayldon Insp. Hewitt |
| David Kernan Ground Steward |
 | Sheila Steafel Ground Stewardess |
 | Paul Angelis Constable |
| Damian Harris Miles |
| Bernard Sharpe Tony |
| Robert Brownjohn Paul |
 | Jonathan Cecil Man at Party |
| Georgina Simpson Girl at Party |
 | Marianne Stone Woman at Party |
| Maureen Toal Landlady |
 | Norman Shelley Businessman |
| Ken Parry Businessman |
 | John Savident Businessman |
 | Robin Askwith Kid |
 | Kenneth Cranham Kid |
| Kevin Bennett Kid |
 | Robert Gillespie Policeman |
 | Don McKillop Police Driver |
| Stella Tanner Traffic Warden |
| George Tovey Bagman |
| Katherine Parr Newsagent |
| Ron Owen Hotel Waiter |
| Kathleen Helme Dietician |
| Jimmy Young DJ (voice) |
| Pete Murray DJ (voice) |
| Writing | |
| Ian La Frenais | Screenplay |
| Dick Clement | Screenplay |
Directing | |
| Dick Clement | Director |
Sound | |
| Stanley Myers | Original Music Composer |
Production | |
| Carl Foreman | Executive Producer |
Writing | |
| Martin Waddell | Novel |
Production | |
| Bruce Cohn Curtis | Producer |
Camera | |
| Austin Dempster | Director of Photography |
Production | |
| Irene Lamb | Casting |
Directing | |
| Dominic Fulford | Assistant Director |
Editing | |
| Richard Best | Editor |
Art | |
| Carmen Dillon | Art Direction |
Production | |
| Basil Rayburn | Production Manager |
