 William HartnellSupt. Frawley | Supt. Frawley |
 Betty McDowallKay Stock | Kay Stock |
 Eddie ByrneSam Hare | Sam Hare |
| GGeorge MikellCarl Stock | Carl Stock |
 Michael RipperLenny Lane | Lenny Lane |
 Victor BrooksSgt. Jacks | Sgt. Jacks |
 Tim TurnerPeter | Peter |
| IIvan CraigDinty | Dinty |
| HHoward LangGeorge | George |
 Ian FlemingNot listed | Not listed |
| SSylvia DaviesSally | Sally |
 Frank ForsythDesk Sergeant | Desk Sergeant |
 Brian PhelanTaffy | Taffy |
| MMichael CollinsDetective at Jackpot Club (uncredited) | Detective at Jackpot Club (uncredited) |
| DDan CresseyTelephone Engineer (uncredited) | Telephone Engineer (uncredited) |
| GGarard GreenDetective Briggs (uncredited) | Detective Briggs (uncredited) |
| CCharles LambSnack Bar Customer (uncredited) | Snack Bar Customer (uncredited) |
 Stanley MeadowsPolice Intelligence Officer on Radio (uncredited) | Police Intelligence Officer on Radio (uncredited) |
| JJack SharpArsenal Supporter Watching Match (uncredited) | Arsenal Supporter Watching Match (uncredited) |
| RRichard ShawSam Hare's driver (uncredited) | Sam Hare's driver (uncredited) |
| PPauline Shepherd(uncredited) | (uncredited) |
| GGeorge SpenceMan in Tube Station (uncredited) | Man in Tube Station (uncredited) |
| RRobert VosslerPoliceman Arresting Hare's Driver (uncredited) | Policeman Arresting Hare's Driver (uncredited) |
| JJoe WadhamDetective (uncredited) | Detective (uncredited) |
