An escaped lunatic, a mysterious swami, and various lovers all have designs on a famous opera singer.
| Actor | Role |
|---|---|
 Chester MorrisSteve Farrell | Steve Farrell |
 Madge EvansToni Adams | Toni Adams |
 Leo CarrilloGino D'Acosta | Gino D'Acosta |
 Frank McHughWilliam | William |
 Benita HumeDiana | Diana |
 Grant MitchellPaul Adams | Paul Adams |
 Katharine AlexanderLouisa | Louisa |
 J. Carrol NaishAndré Bejac | André Bejac |
 H.B. WarnerGodfrey Chiltern | Godfrey Chiltern |
 Robert McWadeQuinlan | Quinlan |
 Duncan RenaldoPedro | Pedro |
 Leonard CeeleyIvan Bosloff | Ivan Bosloff |
 Pedro de CordobaSwami | Swami |
 Charles TrowbridgeStage Manager | Stage Manager |