 |
Terence Morgan as Johnny O'Flynn |
 |
Joan Rice as Doreen Wilson |
 |
Raymond Lovell as Inspector Forsythe |
 |
Dianne Foster as Sylvia Newman |
 |
Colin Tapley as Dr. Crabtree |
 |
Esmond Knight as Prof. Newman |
 |
Mark Baker as Dr. Metcalfe |
 |
Cyril Conway as Sgt. Cove |
 |
Hector Ross as Beroni |
|
Arthur Lovegrove as Gilchrist |
 |
Esma Cannon as Patient in Doctor's Waiting Room |
 |
Sam Kydd as Chauffeur |
 |
Michael Balfour as 'The Mae McCleod' Captain |
 |
Tom Gill as Hotel Receptionist |
 |
Hal Osmond as Taxi Driver |
| Directing | Robert S. Baker | Director |
| Writing | Roy Chanslor | Story |
| Camera | Desmond Davis | Focus Puller |
| Writing | John Gilling | Screenplay |
| Production | Robert S. Baker | Producer |
| Production | Monty Berman | Producer |
| Sound | Frank Cordell | Original Music Composer |
| Camera | Gerald Gibbs | Director of Photography |
| Editing | Peter Taylor | Editor |
| Costume & Make-Up | Gerry Fairbank | Makeup Artist |
| Production | Adrian D. Worker | Production Manager |
| Directing | George Fowler | Assistant Director |
| Sound | Leonard Bulkley | Sound Recordist |
| Sound | George Burgess | Sound Supervisor |
| Camera | Dudley Lovell | Camera Operator |
| Directing | Pamela Carlton | Continuity |
