 John BentleyThe Honourable Richard Rollison | The Honourable Richard Rollison |
 Carol MarshFay Gretton | Fay Gretton |
 Valentine DyallInspector Grice | Inspector Grice |
 Shelagh FraserMyra Lorne | Myra Lorne |
| RRoddy HughesJolly | Jolly |
 Wally PatchBert Ebbutt | Bert Ebbutt |
 Arthur HillTed Harrison | Ted Harrison |
| JJune ElvinLady Anthea | Lady Anthea |
| MMichael GoldenBenny Kless | Benny Kless |
 Peter BullLorne | Lorne |
 Tony BrittonDraycott | Draycott |
 Peter GawthorneMortimer Harvey | Mortimer Harvey |
| JJill AllenCabaret Singer (uncredited) | Cabaret Singer (uncredited) |
| JJanet ButlerMaid (uncredited) | Maid (uncredited) |
| CCyril Conway'The Wop' (uncredited) | 'The Wop' (uncredited) |
| DDeidre DoyleMa Kless (uncredited) | Ma Kless (uncredited) |
 Peter DyneleyLady Anthea's Husband (uncredited) | Lady Anthea's Husband (uncredited) |
 Ian Fleming(uncredited) | (uncredited) |
| JJohn Forbes-RobertsonGerald Harvey (uncredited) | Gerald Harvey (uncredited) |
| MMichael HogarthFingerprint Sergeant (uncredited) | Fingerprint Sergeant (uncredited) |
 Andreas MalandrinosFrederico (uncredited) | Frederico (uncredited) |
| JJohn PoweThe Pug (uncredited) | The Pug (uncredited) |
| VVi StevensEmily Ebbutt (uncredited) | Emily Ebbutt (uncredited) |
 Peter SwanwickNight Porter (uncredited) | Night Porter (uncredited) |
