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Виола Дэна as Happy O'Brien, The Microbe |
 |
Kenneth Harlan as DeWitt Spense |
 |
Arthur Maude as Robert Breton |
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Bonnie Hill as Judith Winthrope |
|
Ned Norworth as Norman Slade |
|
Lucy Donahue as Mrs. Risden |
| Directing | Henry Otto | Director |
| Writing | Henry Altimus | Story |
| Writing | Джун Мэтис | Writer |
| Camera | Maxwell Karger | Director of Photography |
| Camera | John Arnold | Director of Photography |
