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John Nesbitt as Narrator (voice) |
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Matthew Boulton as Dr. Edward Jenner (uncredited) |
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Helen Brown as Mary Phipps (uncredited) |
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Harry Cording as Village Dairyman (uncredited) |
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Fay Helm as Mrs. Edward Jenner (uncredited) |
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Raymond Severn as Little Jim Phipps (uncredited) |
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William Tannen as Sarah's Sweetheart (uncredited) |
| Directing | Henry K. Dunn | Director |
| Production | John Nesbitt | Producer |
| Camera | Jackson Rose | Director of Photography |
| Editing | Mildred Rich | Editor |
| Sound | Leonid Raab | Orchestrator |
| Writing | Herman Boxer | Screenplay |
| Sound | David Snell | Original Music Composer |
