| Person | Type | Job | Role(s) |
|---|---|---|---|
 A.W. Watkins | Crew | Sound | Recording Supervision |
 Anatole de Grunwald | Crew | Writing | Screenplay, Scenario Writer |
 Baroness Emmuska Orczy | Crew | Writing | Novel |
Douglas Myers | Crew | Editing | Editor |
Duncan Sutherland | Crew | Art | Settings |
 George Pollock | Crew | Directing | Assistant Director |
 Harold Huth | Crew | Production | Associate Producer |
 Jack Hildyard | Crew | Camera | Camera Operator |
John Greenwood | Crew | Sound | Original Music Composer |
 Leslie Howard | Crew | Directing | Director, Producer |
Muir Mathieson | Crew | Sound | Music Director |
Mutz Greenbaum | Crew | Crew | Technical Supervisor, Director of Photography |
Phil C. Samuel | Crew | Production | Production Manager |
 Roland Pertwee | Crew | Writing | Scenario Writer |
Sidney Cole | Crew | Editing | Editorial Manager |
Wolfgang Wilhelm | Crew | Writing | Original Story |
John Dennis | Crew | Sound | Sound Recordist |
A. G. MacDonell | Crew | Writing | Original Story |
 A.E. Matthews | Cast | Actor | Earl of Meadowbrook |
 Allan Jeayes | Cast | Actor | Dr Benckendorf |
Arthur Denton | Cast | Actor | Gestapo Man Following Smith |
 Arthur Hambling | Cast | Actor | Jordan |
 Aubrey Mallalieu | Cast | Actor | Dean |
Basil Appleby | Cast | Jock MacIntyre | |
 Ben Williams | Cast | Actor | Graubitz |
 Bryan Herbert | Cast | Jaromir | |
 Charles Paton | Cast | Actor | Steinhof |
Charles Rolfe | Cast | Actor | German Officer at Customs |
 David Tomlinson | Cast | Actor | Steve |
Dennis Arundell | Cast | Hoffman | |
Elwyn Brook-Jones | Cast | Actor | Bit Part |
 Ernest Butcher | Cast | Actor | Weber |
Francis L. Sullivan | Cast | Actor | General von Graum |
George Street | Cast | Actor | Schmidt |
 Harry Terry | Cast | Actor | Camp Guard |
Hector Abbas | Cast | Actor | Karl Meyer |
 Hugh McDermott | Cast | Actor | David Maxwell |
 Hugh Pryse | Cast | Actor | Wagner |
 Irene Handl | Cast | Actress | Bit Part |
 Joan Kemp-Welch | Cast | Actress | School-Teacher |
 John Slater | Cast | Actor | Reporter |
Laurence Kitchin | Cast | Actor | Clarence Elstead |
Leslie Howard | Cast | Actor | Professor Horatio Smith |
 Manning Whiley | Cast | Actor | Bertie Gregson |
Mary Brown | Cast | Girl Student | |
 Michael Brennan | Cast | Actor | Camp Guard with Lantern |
 Michael Rennie | Cast | Actor | Prison Camp Officer |
Neal Arden | Cast | Actor | Second Prisoner |
Percy Walsh | Cast | Actor | Dvorak |
Peter Cozens | Cast | Man | |
 Peter Gawthorne | Cast | Actor | Sidimir Koslowski |
 Philip Friend | Cast | Actor | Spencer |
 Raymond Huntley | Cast | Actor | Marx |
Richard George | Cast | Prison Guard | |
 Roddy Hughes | Cast | Actor | Zigor |
Roland Pertwee | Cast | Actor | Embassy Official - Sir George Smith |
 Ronald Howard | Cast | Actor | Minor Role |
 Sebastian Cabot | Cast | Actor | Bit Role |
 Stuart Latham | Cast | Actor | Telephone Operator |
Suzanne Clair | Cast | Salesgirl | |
Vincent Holman | Cast | Actor | Doctor at Diggings |
 Mary Morris | Cast | Actress | Ludmilla Koslowski |
W. Phillip | Cast | Innkeeper | |
Ilse Bard | Cast | Gretchen | |
Ernest Verne | Cast | German Officer | |
Oriel Ross | Cast | Lady Willoughby | |
| Person | Type | Job | Role(s) |
