| Name | Character | Team | |
|---|---|---|---|
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Ricardo Cortez | Johnny Silk | Unowned |
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Mary Astor | Marthe | Unowned |
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John Halliday | Dorval | Unowned |
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Ralph Ince | Farley | Unowned |
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Kitty Kelly | Gertie | Unowned |
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James Donlan | Clark | Unowned |
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George Davis | The Frenchman | Unowned |
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Herman Bing | Fritz Tannenbaum | Unowned |
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Lynton Brent | One of Johnny's Bookies | Unowned |
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André Cheron | French Detective | Unowned |
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Jean De Briac | Hotel Manager | Unowned |
| Tom Herbert | One of Johnny's Bookies | Unowned | |
| John Larkin | Black Horse Handler | Unowned | |
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Carl M. Leviness | Bookie Customer | Unowned |
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Tom McGuire | Race Track Bookie | Unowned |
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Harold Miller | Racetrack Spectator | Unowned |
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Frank Mills | Tony - One of Johnny's Bookies | Unowned |
| Edmund Mortimer | Racetrack Spectator | Unowned | |
| Albert Petit | Magistrate | Unowned | |
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Ellinor Vanderveer | Racetrack Spectator | Unowned |