20 mins | Mystery | Feb. 17, 1915
20 mins | Mystery | Feb. 17, 1915
| Producers | Kalem Company |
| Original title | The Mystery of the Tea Dansant |
| Directors | James W. Horne |
| Writers | Hamilton Smith |
as Ruth, the Girl Detective
as Harry Warrington
as Marguerite Wheeler
as Mrs. Wheeler - Marguerite's Mother
as Marmaduke - of the Tea Dansant
as Darby - Marmaduke's Victim
as Chief of Police Harding