A young girl, pursued by a band of conspirators, hides in a movie theatre where she watches the film Cabiria. She determines to seek the aid of that film's strongman, Maciste. When she locates him, he helps her overcome her enemies, but not without many thrilling and dangerous adventures.
| Actor | Role |
|---|---|
| BBartolomeo PaganoMaciste (as Ernest Pagano) | Maciste (as Ernest Pagano) |
 Clementina GayJosephine (as Arline Costello) | Josephine (as Arline Costello) |
 Amelia ChelliniHer mother (as Louise Farnsworth) | Her mother (as Louise Farnsworth) |
| DDidaco ChelliniDuke Alexis (as Robert Ormand) | Duke Alexis (as Robert Ormand) |
| LLeone PapaErcole | Ercole |