| AAnthony OliverDet. Insp. Willoughby | Det. Insp. Willoughby |
Maureen ConnellLynne Marsden / 'Austin' | Lynne Marsden / 'Austin' |
Alan TilvernNicky Venning | Nicky Venning |
Bill NagySam Warren | Sam Warren |
| SSonya CordeauFrancine Dumont | Francine Dumont |
| BBrandon BradyBernie Hewson | Bernie Hewson |
Tom NaylorDet. Sgt. 'Robbie' Roberts | Det. Sgt. 'Robbie' Roberts |
| RRichard KleeMills | Mills |
| KKim DarvosSinger | Singer |
| MMichael Corcoran1st Crook Planning Jewel Heist | 1st Crook Planning Jewel Heist |
| BBrian HankinsNot listed | Not listed |
Wally PatchFactory Gatekeeper | Factory Gatekeeper |
| GGarard GreenFrank - Forensic Technician | Frank - Forensic Technician |
| MMichael BeintDanny | Danny |
| AAlex GallierDino | Dino |
| CColin RixSurveillance Detective at Window | Surveillance Detective at Window |
Ivor DeanBalding Detective at Quarry | Balding Detective at Quarry |
| MMitzi RogersNot listed | Not listed |
| JJohn MartinNot listed | Not listed |
| GGordon JamesNot listed | Not listed |
| WWinifred HindleNot listed | Not listed |
| EEric DodsonWarder Davis | Warder Davis |
| AAnne CluneNot listed | Not listed |
| FFred BeaumanNot listed | Not listed |
| PPauline ChamberlainWoman Seated in Nightclub (uncredited) | Woman Seated in Nightclub (uncredited) |
| JJack Taylor'Nickys Club' Receptionist (uncredited) | 'Nickys Club' Receptionist (uncredited) |
John StuartPrison Governor | Prison Governor |
| LLawrence JamesTerry - Undercover Detective | Terry - Undercover Detective |