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Niall MacGinnis as Martin Luther |
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John Ruddock as Vicar von Staupitz |
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Pierre Lefevre as Spalatin |
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Guy Verney as Melanchthon |
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Alastair Hunter as Carlstadt |
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David Horne as Duke Frederick |
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Fred Johnson as Prior |
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Philip Leaver as Pope Leo X |
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Heinz Piper as Dr. Eck |
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Leonard White as Emissary |
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Egon Strohm as Cardinal Alexander |
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Annette Carell as Katherine von Bora (as Annette Carrell) |
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Alexander Gauge as Tetzel |
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Henry Oscar as |
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Irving Pichel as Brueck |
| Directing | Irving Pichel | Director |
| Writing | Lothar Wolff | Writer |
| Editing | Fritz Stapenhorst | Editor |
| Sound | Mark Lothar | Music |
| Production | Lothar Wolff | Producer |
| Crew | Joseph C. Brun | Cinematography |
| Writing | Allan Sloane | Writer |
| Production | Robert E. A. Lee | Executive Producer |
