| Person | Type | Job | Role(s) |
|---|---|---|---|
 Benjamin Frankel | Crew | Sound | Original Music Composer |
 Frank Launder | Crew | Production | Producer |
J. Arthur Rank | Crew | Production | Executive Producer |
J.B. Williams | Crew | Writing | Screenplay |
Norman Collins | Crew | Writing | Novel |
Roy Oxley | Crew | Art | Art Direction |
 Sidney Gilliat | Crew | Directing | Director, Screenplay, Producer |
Thelma Connell | Crew | Editing | Editor |
Wilkie Cooper | Crew | Camera | Director of Photography |
 Alastair Sim | Cast | Actor | Mr. Squales |
 Andrew Crawford | Cast | Actor | Bill |
 Arthur Howard | Cast | Actor | Mr Chinkwell |
 Arthur Lowe | Cast | Actor | Commuter on Train (uncredited) |
 Aubrey Dexter | Cast | Actor | Mr Battlebury |
Basil Cunard | Cast | Actor | Foreman of the Jury |
Cecil Trouncer | Cast | Mr Henry Wassall KC | |
 Cyril Chamberlain | Cast | Actor | Det Sgt Wilson |
Edward Evans | Cast | Actor | Det Sgt Taylor |
 Eleanor Summerfield | Cast | Actress | The Blonde |
 Ewan Roberts | Cast | Actor | 1st Policeman (uncredited) |
 Ewen Solon | Cast | Actor | Clerk (uncredited) |
 Fabia Drake | Cast | Actress | Mrs Jan Byl |
 Fay Compton | Cast | Actress | Mrs. Josser |
George Cross | Cast | Inspector Cartwright | |
 Henry Edwards | Cast | Actor | Police Superintendant |
 Henry Hewitt | Cast | Actor | Verriter |
 Hugh Griffith | Cast | Actor | Headlam Fynne |
 Ivor Barnard | Cast | Actor | Mr Justice Plymme |
 Jack McNaughton | Cast | Actor | Jimmy |
 John Salew | Cast | Actor | Mr Banks |
 Joyce Carey | Cast | Actress | Mrs Vizzard |
 Leo Genn | Cast | Actor | Narrator (uncredited) |
 Maurice Denham | Cast | Actor | Jack Rufus |
Myrette Morven | Cast | Female Employee (uncredited) | |
 Richard Attenborough | Cast | Actor | Percy Boon |
 Russell Waters | Cast | Actor | Clerk of the Court |
Stanley Beard | Cast | Actor | 2nd Policeman (uncredited) |
 Stephen Murray | Cast | Actor | Uncle Henry |
 Susan Shaw | Cast | Actress | Doris Josser |
 Sydney Tafler | Cast | Actor | Night Club Receptionist |
 Wensley Pithey | Cast | Actor | 1st Warden |
 Wylie Watson | Cast | Actor | Mr. Josser |
Ivy St. Helier | Cast | Actress | Connie Coke |
Jack May | Cast | Bystander (uncredited) | |
Kenneth Downey | Cast | Mr Veezey Blaize KC | |
Manville Tarrant | Cast | 2nd Warden | |
Reg Thomason | Cast | Actor | Bystander (uncredited) |
| Person | Type | Job | Role(s) |
