Directed by
| Brian Desmond Hurst | ||
Writing Credits
| Vaughan Wilkins | ... | (novel) |
| Robin Estridge | ... | (screenplay) |
| Patrick Kirwan | ... | (additional dialogue) |
Cast (in credits order) verified as complete
| Louis Jourdan | ... | Duke Philippe de Beauvais | |
| Belinda Lee | ... | Virginia Traill | |
| Keith Michell | ... | Colonel St. Gerard | |
| Richard O'Sullivan | ... | Louis XVII / Richard de Beauvais | |
| Martita Hunt | ... | Lady Lydia Fell | |
| Finlay Currie | ... | Mr. Patient | |
| Anne Heywood | ... | Glynis | |
| Brian Rawlinson | ... | Dylan Evans | |
| Terence Longdon | ... | Col. Sir Frederick Venner | |
| Frederick Leister | ... | Capt. Andrew Ogden | |
| Derek Oldham | ... | William | |
| Jean Mercure | ... | Chief of Police | |
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Raymond Gérôme | ... | Citizen-Director of the Revolution |
| Austin Trevor | ... | M. Petitval | |
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Jean Claudio | ... | DeCastres, Philippe's Comrade in Paris |
| Laurence Payne | ... | Lautrec | |
| Rest of cast listed alphabetically: | |||
| Jacques B. Brunius | ... | De Chassagne (uncredited) | |
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Richard Clarke | ... | (uncredited) |
| John Dearth | ... | Simon the Jailer (uncredited) | |
| Sam Kydd | ... | (uncredited) | |
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Lisa Lee | ... | Simon's Wife (uncredited) |
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André Mikhelson | ... | Prison Doctor Perrot (uncredited) |
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Anthony Sadler | ... | Minor Role (uncredited) |
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Margaret Sawyer | ... | French Child (uncredited) |
Produced by
| George H. Brown | ... | producer |
| Earl St. John | ... | executive producer |
Music by
| Georges Auric | ||
Cinematography by
| Geoffrey Unsworth | ... | director of photography |
Editing by
| Peter Bezencenet | ||
Production Design by
| Ferdinand Bellan | ||
Art Direction by
| Jack Maxsted | ||
Set Decoration by
| Arthur Taksen | ||
Costume Design by
| Eleanor Abbey | ||
Makeup Department
| George Blackler | ... | makeup artist |
| Florrie Hyde | ... | wig maker |
| Iris Tilley | ... | hair stylist |
Production Management
| Jack Swinburne | ... | production manager |
Second Unit Director or Assistant Director
| George Pollock | ... | assistant director |
Sound Department
| Arthur Cox | ... | sound editor |
| Gordon K. McCallum | ... | sound recordist |
| Sydney Wiles | ... | sound recordist |
Camera and Electrical Department
| David Harcourt | ... | camera operator |
| Mike Fox | ... | clapper loader (uncredited) |
Costume and Wardrobe Department
| Margaret Lewin | ... | wardrobe (uncredited) |
Music Department
| London Philharmonic Orchestra | ... | music played by |
| Muir Mathieson | ... | conductor |
Script and Continuity Department
| Beryl Booth | ... | continuity |
Additional Crew
| Arthur Alcott | ... | production controller: Pinewood Studios |
| Vyvyan Holland | ... | historical advisor |
