![]() |
Ronald Howard as Bob Jenson |
![]() |
Carol Marsh as Kathy Riddle |
![]() |
Ian Fleming as Sir Thomas Riddle |
![]() |
Catherina Ferraz as Anna |
![]() |
Brian Nissen as Derek |
![]() |
Robert Dorning as Beckett |
![]() |
Stuart Saunders as Curran |
![]() |
Colin Tapley as Inspector |
![]() |
Kenneth Edwards as Butler |
![]() |
Howard Lang as Police Sergeant |
![]() |
Gordon Boyd as Constable |
![]() |
Diana Chesney as Party Woman |
![]() |
Graham Ashley as Warder |
![]() |
George Holdcroft as Party Guest (uncredited) |
![]() |
Guy Standeven as Party Guest (uncredited) |
| Directing | Montgomery Tully | Director |
| Writing | Mark Grantham | Story |
| Production | Edward J. Danziger | Producer |
| Production | John Draper | Production Manager |
| Sound | Albert Elms | Original Music Composer |
| Sound | W. Anson Howell | Recording Supervision |
| Sound | John Smith | Sound Editor |
| Editing | Lee Doig | Editor |
| Crew | James Wilson | Cinematography |
| Costume & Make-Up | Rene Coke | Wardrobe Assistant |
| Directing | Leonora Hail | Continuity |
| Production | Harry Lee Danziger | Producer |
| Camera | John Winbolt | Camera Operator |
| Costume & Make-Up | Aldo Manganaro | Makeup Artist |
| Directing | Geoffrey Helman | Assistant Director |
| Art | Norman G. Arnold | Art Direction |