Cast & crew
The Key Man (1957)
Directed by Montgomery Tully Written by J. McLaren Ross
Cast
| Lee Patterson | Lionel |
| Hy Hazell | Gaby |
| Colin Gordon | Larry |
| Philip Leaver | Smithers |
| George Margo | Jeff |
| Paula Byrne | Pauline |
| Henri Vidon | Sinuous Hallow |
| Harold Kasket | Dimitriadi |
| Maudie Edwards | Glass |
| Ian Wilson | Molly's Server |
| Billy Milton | Waiter |
| James W. McLaughlin | Biker Customer |
| Rex Rashley | Custodian |
| Dennis Castle | Inspector Juve (as Edmond Bréon) |
| Dave Rhodes | Barber |
Crew
| Montgomery Tully | Director |
| J. McLaren Ross | Theatre Play |
| J. McLaren Ross | Screenplay |
| Alec C. Snowden | Producer |
| Phil Grindrod | Director of Photography |
| C. Wilfred Arnold | Art Direction |
| Ernest Hilton | Editor |