A murderous gang of mysterious creepy killers mark a young heiress for death. They are led by a ghostly voice known only as the "The Mystery Mind."
| Actor | Role |
|---|---|
 Violet MacMillanViolet Bronson | Violet Bronson |
 Paul PanzerCarl 'The Wolf' Canfield | Carl 'The Wolf' Canfield |
 Peggy ShanorVera Collins | Vera Collins |
 Baby Ivy WardViolet as a child | Violet as a child |
 Edward ElkasNot listed | Not listed |
| JJ. Robert PaulineDr. Robert Dupont | Dr. Robert Dupont |
| EEd RogersCarl Canfield | Carl Canfield |
| SSaville De SaciaNot listed | Not listed |
| AArthur PierotNot listed | Not listed |