Directed by
| Paul L. Stein | ||
Writing Credits (in alphabetical order)
| Heinrich Berte | ... | (opera) |
| Roger Burford | ||
| G.H. Clutsam | ||
| John Drinkwater | ||
| Franz Schulz | ||
Cast (in credits order) complete, awaiting verification
| Richard Tauber | ... | Franz Schubert | |
| Jane Baxter | ... | Vicki Wimpassinger | |
| Carl Esmond | ... | Count Rudi Von Hohenberg | |
| Athene Seyler | ... | Archduchess Maria Victoria | |
| Paul Graetz | ... | Alois Wimpassinger | |
| Charles Carson | ... | Frederick Lafont | |
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Marguerite Allan | ... | Baroness Therese Von Keffler |
| Edward Chapman | ... | Meyerhoffer | |
| Lester Matthews | ... | Schwindt | |
| Gibb McLaughlin | ... | Bauernfeld | |
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Ivan Samson | ... | Hutten Bremmer |
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Frederick Lloyd | ... | Police Captain |
| Cecil Ramage | ... | Johann Vogl | |
| Rest of cast listed alphabetically: | |||
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Bertha Belmore | ... | Madame (uncredited) |
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Hugh Dempster | ... | Wili (uncredited) |
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Henry B. Longhurst | ... | Minor Role (uncredited) |
| Spencer Trevor | ... | Colonel (uncredited) | |
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Bruce Winston | ... | Fat Man (uncredited) |
Produced by
| Walter C. Mycroft | ... | producer |
Music by
| G.H. Clutsam | ||
Cinematography by
| Otto Kanturek | ... | (photography) |
| Bryan Langley | ... | (photography) |
Editing by
| Leslie Norman | ||
Second Unit Director or Assistant Director
| Frank Cadman | ... | assistant director (as T. E. F. Cadman) |
Art Department
| Clarence Elder | ... | settings |
| David Rawnsley | ... | settings |
Sound Department
| Benjamin Cook | ... | sound (as B. Cook) |
| A.E. Rudolph | ... | sound |
Camera and Electrical Department
| Oswald Morris | ... | clapper boy (uncredited) |
Music Department
| G.H. Clutsam | ... | music adaptor / music arranger |
| Idris Lewis | ... | musical director |
| Franz Schubert | ... | composer: songs |
Additional Crew
| Lucien Brulé | ... | french voice dubbing: Richard Tauber (uncredited) |
| Claire Gérard | ... | french voice dubbing: Athene Seyler (uncredited) |
| Paulette Marinier | ... | french voice dubbing: Jane Baxter (uncredited) |
| Jacques Mattler | ... | french voice dubbing: Carl Esmond (uncredited) |
| Daniel Regnier | ... | french voice dubbing: Paul Graetz (uncredited) |