Let's Be Happy (1957) — Cast
Cast
| Brian Oulton | Russ Fielding |
| Zena Marshall | Helene |
| Katherine Kath | Russ Fielding |
| André Maranne | Waiter |
| Robert Rietti | Waiter |
| Russell Waters | Hotel Recepcionist |
| Brian Oulton | Valet |
| Tony Martin | Stanley Loomis |
| Molly Weir | Flower |
| Eugene Deckers | Car Dealer |
| Helen Horton | Sadie |
| Robert Flemyng | James |
| Beckett Bould | Ramsay MacDonald |
| Trevor Reid | (uncredited) |
| Carl Duering | Inspector Juve (as Edmond Bréon) |
| Paul Young | Bobby |
| Denis Shaw | Corridor |
| Peter Sinclair | Augus MacTavish |
| Gordon Jackson | Dougal |
| Charles Carson | Ferguson |
| Eric Pohlmann | Arrest Official |
| Jean Cadell | (uncredited) |
| Ewan Roberts | Porter |
| Alfred Burke | Store Clerk |
| Jock McKay | Dream Dancer |
| Vera-Ellen | Jeannie |
| Magda Miller | Augus MacTavish |
| Guy Middleton | Russ Fielding |
| Michael Anthony | Flor |
| Vernon Greeves | France |
| Richard Molinas | Bearded Oiran |
| Russell Waters | Bobby |
Crew
| G. B. Walker | Casting |
| Les Hammond | Sound Recordist |
| Len Shilton | Sound Recordist |
| Louis Levy | Music Director |
| Anna Duse | Costume Design |
| Jean Bear | Hairstylist |
| Nicholas Brodzsky | Original Music Composer |
| Terence Verity | Art Direction |
| Nell Taylor | Makeup Artist |
| Henry Levin | Director |
| Erwin Hillier | Director of Photography |
| Victor Peck | Production Manager |
| Val Stewart | Camera Operator |
| Aimée Stuart | Theatre Play |
| Diana Morgan | Screenplay |
| June Faithfull | Continuity |
| Dorothy Cooper | Screenplay |
| Marcel Hellman | Producer |
| Edward B. Jarvis | Editor |