The Chamber Mystery (1920) Online
| Cast overview: | |||
 | Claire Whitney | - | Kitty Parker |
 | Earl Metcalfe | - | Dr. Carroll West |
 | Sam Edwards | - | Peter Parker |
| Robert Lee Allen | - | Gus Woozle |
 | Camille Dalberg | - | Mrs. West (as Camilla Dalberg) |
| Dorothy Walker | - | Ann |
| Howard Morgan | - | Mr. Smiggles |
 | Ricca Allen | - | Mrs. Smiggles |
| Fred R. Stanton | - | Detective Rhombus (as Fred Stanton) |