| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arnold Bennett | Crew | Writing | Novel |
 Clive Donner | Crew | Editing | Editor |
 Eric Ambler | Crew | Writing | Screenplay |
 Oswald Morris | Crew | Camera | Director of Photography |
 Ronald Neame | Crew | Directing | Director |
Sophie Devine | Crew | Costume & Make-Up | Costume Design |
William Alwyn | Crew | Sound | Original Music Composer |
T. Hopewell Ash | Crew | Art | Art Direction |
 Alec Guinness | Cast | Actor | Edward Henry 'Denry' Machin |
 Edward Chapman | Cast | Actor | Mr. Duncalf |
 Frank Pettingell | Cast | Actor | Police Superintendent |
 George Devine | Cast | Actor | Mr. Calvert |
 Gibb McLaughlin | Cast | Actor | Emery |
 Glynis Johns | Cast | Actress | Ruth Earp |
 Henry Edwards | Cast | Actor | Mr. Cotterill (uncredited) |
 Joan Hickson | Cast | Actress | Mrs. Codleyn |
 Lyn Evans | Cast | Actor | Cregeen (uncredited) |
Mark Daly | Cast | Actor | Lord Mayor (uncredited) |
Matthew Guinness | Cast | Actor | Denry as a Boy |
 Michael Hordern | Cast | Actor | Bank Manager |
 Peter Copley | Cast | Actor | P. Shillitoe (uncredited) |
 Petula Clark | Cast | Actress | Nellie Cotterill |
 Valerie Hobson | Cast | Actress | Countess of Chell |
Veronica Turleigh | Cast | Actress | Mrs. Machin |
 Wilfrid Hyde-White | Cast | Actor | Lord at the Liverpool Dock |
