| Person | Type | Job | Role(s) |
|---|---|---|---|
 Duncan Sutherland | Crew | Art | Art Direction |
Eily Boland | Crew | Editing | Editor |
Ernest Irving | Crew | Sound | Music Director |
Hal Mason | Crew | Production | Unit Manager |
John Croydon | Crew | Production | Production Supervisor |
John Dighton | Crew | Writing | Screenplay |
 Michael Balcon | Crew | Production | Producer |
Monja Danischewsky | Crew | Writing | Screenplay |
Roy Kellino | Crew | Crew | Special Effects |
S.C. Balcon | Crew | Production | Associate Producer |
Sergei Nolbandov | Crew | Directing | Director |
Sidney Cole | Crew | Editing | Supervising Editor |
Wilkie Cooper | Crew | Camera | Director of Photography, Camera Operator |
 Doris Zinkeisen | Crew | Costume & Make-Up | Costume Design |
George Slocombe | Crew | Writing | Story |
Frederic Austin | Crew | Sound | Music |
Len Page | Crew | Sound | Sound Recordist |
Hal Britten | Crew | Camera | Camera Operator |
Ronald Brantford | Crew | Production | Unit Manager |
Eric Williams | Crew | Sound | Sound Supervisor |
W.E. Hart | Crew | Crew | Technical Advisor |
 Ben Williams | Cast | Actor | Dragutin |
 Charles Victor | Cast | Actor | Sergeant |
 Eric Micklewood | Cast | Actor | Lieut. Von Klotz |
 Finlay Currie | Cast | Actor | Priest (uncredited) |
 George Merritt | Cast | Actor | A Yugoslav General |
 Godfrey Tearle | Cast | Actor | General von Staengel |
 Herbert Lomas | Cast | Actor | Schoolteacher (uncredited) |
 Ivor Barnard | Cast | Actor | Station Master |
 John Clements | Cast | Actor | Milos Petrovitch |
 John Slater | Cast | Actor | Minor Role (uncredited) |
 John Wynn | Cast | Actor | Yugoslav Soldier (uncredited) |
 Michael Wilding | Cast | Actor | Constantine |
 Niall MacGinnis | Cast | Actor | Dr. Jordon |
Norman Pierce | Cast | Actor | Lieut. Franke |
 Rachel Thomas | Cast | Actress | Maria Petrovitch |
 Robert Harris | Cast | Actor | Col. Von Brock |
 Stanley Baker | Cast | Actor | Petar |
 Stephen Murray | Cast | Actor | Dr. Stephan Petrovitch |
 Tom Walls | Cast | Actor | Kossan Petrovitch |
 Mary Morris | Cast | Actress | Anna Petrovitch |
Tecwyn Jones | Cast | Danilo | |
Eynon Evans | Cast | Actor | Lieut. Banse |
| Person | Type | Job | Role(s) |
