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Donald O'Connor as William Waldo Winfield |
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Charles Coburn as Professor Jason Hartley |
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Gloria DeHaven as Sarah Jane Winfield |
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Joshua Shelley as Arnold Schultze |
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Barbara Brown as Professor Sophia Boland |
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Jim Davis as Joe Tascarelli |
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James Brown as Tony Cresnovitch |
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Patricia Alphin as Mrs Tascarelli |
| Camera | Irving Glassberg | Director of Photography |
| Sound | Walter Scharf | Music |
| Editing | Ted J. Kent | Editor |
| Production | Leonard Goldstein | Producer |
| Writing | Oscar Brodney | Screenplay |
| Directing | George Sherman | Director |
