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Estelle Brody as Kitty Greenwood / Kitty St. George |
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John Stuart as Alex St. George |
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Dorothy Cumming as Mrs. St. George |
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Marie Ault as Sarah Greenwood |
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Winter Hall as John Furnival |
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Olaf Hytten as Leaper |
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Charles Ashton as Grimshaw |
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Charles O'Shaughnessy as Reuben (sound version) |
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Charles Levey as Reuben (silent version) |
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Elwood Fleet Bostwick as Dr. Dazeley |
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Charles Courtneidge as Dr. Drake (sound version) |
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Rex Maurice as Dr. Drake (silent version) |
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Gibb McLaughlin as The Electrician |
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Jerrold Robertshaw as The Artist |
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Dino Galvani as Alex's Ukulele Tutor |
| Sound | W.L. Trytel | Music |
| Camera | Karl Puth | Director of Photography |
| Crew | Benn W. Levy | Additional Dialogue |
| Production | Victor Saville | Producer |
| Writing | Violet E. Powell | Scenario Writer |
| Sound | Reginald Connelly | Songs |
| Sound | Jimmy Campbell | Songs |
| Writing | Raymond Wallace | Lyricist |
| Production | Basil Roscoe | Production Manager |
| Sound | Russell G. Shields | Sound Editor |
| Sound | John Dolan | Sound Recordist |
| Writing | Warwick Deeping | Novel |
| Directing | Marjorie Gaffney | Assistant Director |
| Sound | George Oschmann | Sound Recordist |
| Directing | Victor Saville | Director |
| Crew | G. Burgal | Technical Supervisor |
| Art | Hugh Gee | Art Direction |
| Camera | Walter Strenge | Director of Photography |
