| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alex Thomson | Crew | Camera | Camera Operator |
 John Clein | Crew | Production | Producer |
Ken Jones | Crew | Sound | Music |
 Nicolas Roeg | Crew | Camera | Director of Photography |
Robert Jones | Crew | Art | Art Direction |
 Robert Lynn | Crew | Directing | Director |
Lee Doig | Crew | Editing | Editor |
Bob Clark | Crew | Costume & Make-Up | Makeup Artist |
Polly Young | Crew | Costume & Make-Up | Hairstylist |
Leigh Vance | Crew | Writing | Writer |
Ronnie Pilgrim | Crew | Camera | Still Photographer |
Edgar Vetter | Crew | Sound | Sound |
Colin Rix | Cast | Actor | Chemist |
 Coral Browne | Cast | Actress | Belle Crippen |
 Donald Pleasence | Cast | Actor | Dr. Hawley Harvey Crippen |
 Donald Wolfit | Cast | Actor | R.D. Muir (as Sir Donald Wolfit) |
Douglas Bradley-Smith | Cast | Actor | Dr. Pepper |
Edward Cast | Cast | Actor | Harding |
 Edward Underdown | Cast | Actor | The Governor |
 Geoffrey Toone | Cast | Actor | Mr. Tobin |
 James Robertson Justice | Cast | Actor | Captain McKenzie |
 John Arnatt | Cast | Actor | Chief Inspector Dew |
 John Lee | Cast | Actor | Harry |
 Max Faulkner | Cast | Actor | Radio Officer Andrews (uncredited) |
 Olga Lindo | Cast | Actress | Mrs. Clara Arditti |
 Oliver Johnston | Cast | Actor | Lord Chief Justice |
 Paul Carpenter | Cast | Actor | Bruce Martin |
 Samantha Eggar | Cast | Actress | Ethel Le Neve |
 Totti Truman Taylor | Cast | Actress | Miss Curnow |
 Hamilton Dyce | Cast | Actor | Dr. Rogers |
Elspeth March | Cast | Actress | Mrs. Jackson |
 Basil Henson | Cast | Actor | Mr. Arditti |
 Guy Standeven | Cast | Actor | Ships Steward (uncredited) |
Terence Brook | Cast | Actor | Police Sergeant Outside Courtroom (uncredited) |
Eric Dodson | Cast | Actor | Defence QC Clerk (uncredited) |
John Tatham | Cast | Courtroom Spectator (uncredited) | |
| Person | Type | Job | Role(s) |
