Aerial dancer La Syrena, whose jealous husband kills her while she performs in midair. Her daughter, Jennie Raeburn, soon orphaned, grows up unaware of her mother's occupation, but nonetheless feels the urge to dance.
| Actor | Role |
|---|---|
 Alice BradyJenny Pearl | Jenny Pearl |
 Holbrook BlinnZachary Trewehella | Zachary Trewehella |
 Robert FrazerFred Pearl | Fred Pearl |
 Julia StuartMrs. Raeburn | Mrs. Raeburn |
| HHarry DanesCharles Raeburn | Charles Raeburn |
| LLaura McClureMay Raeburn | May Raeburn |
| JJessie LewisIrene Dale | Irene Dale |
 Alec B. FrancisJerry Vergoe | Jerry Vergoe |
 George RelphMaurice Avery | Maurice Avery |
 Stanhope WheatcroftFuzz Castleton | Fuzz Castleton |
| FFred RadcliffeJoe Cunningham | Joe Cunningham |
| RRobert KegerreisJack Danby | Jack Danby |