|  | 
| Cast | 
|  | 
|  | 
| Dr. Jankers | Fred EMNEY | 
| Cardew Robinson | Cardew "The Cad" ROBINSON | 
| Maisie | Vera DAY | 
| Fanshaw | Johnny BRANDON | 
| Ferdy | Davy KAYE | 
| Harry the Scar | Freddie MILLS | 
| Fatty Gilbert | Gerald (Billy Bunter) CAMPION | 
| 'The Private Eye' | Miriam KARLIN | 
| McTavish | Kynaston REEVES | 
| matron | Gabrielle BRUNE | 
| Mr Winkle | Claude HULBERT | 
| cast member | Francis Langford's Singing Scholars | 
| the guide | Stanley UNWIN | 
| Professor Stromboli | Dino GALVANI | 
| the potter | Peter BUTTERWORTH | 
| Mlle Praline | Aud JOHANSEN | 
| Chumleigh | Ronald CORBETT | 
| Horsetrough | Roger AVON | 
| Fudge, the porter | Paul DANEMAN | 
| station sergeant | Stuart SAUNDERS | 
| constable | Tom GILL | 
| raucous schoolboy at concert (uncredited) | Melvyn HAYES | 
| schoolboy in front row at concert (uncredited) | Anthony VALENTINE | 
|  | 
| Credits | 
|  | 
|  | 
| Devised and Directed by | Maurice ELVEY | 
| Production Company | Adelphi Films Ltd | 
|  | Advance Films | 
| A Grand Alliance release | Grand Alliance | 
| Produced by | David DENT | 
| Associate Producer | Peter NOBLE | 
| Production Manager | John WORKMAN | 
| Assistant Director | Eddie PIKE | 
| 2nd Assistant Director | Peter PRICE (uncredited) | 
| Continuity | Eileen HEAD | 
| Screenplay by | Anthony VERNEY | 
| With Additional Dialogue by | Fred EMNEY | 
| Story and Adaptation by | Peter NOBLE | 
|  | Denis WALDOCK | 
| Director of Photography | Eric CROSS | 
| (Camera) Operator | Herbert R. SMITH | 
| Editor | Robert HILL | 
| Art Director | Norman ARNOLD | 
| Make-up | Aldo MANGANARO | 
| Music | Edwin ASTLEY | 
| Sound System | RCA | 
| Sound Recordist | Wally DAY | 
| Camerascope Lens by | Distribution Internationale Cinematographique | 
| Made at | Twickenham Film Studios (uncredited) |