Although loved by a respectable doctor, a society-girl is fascinated by a prince and follows him to Rome. When he reveals himself in his true colours, she has a nervous breakdown and her faithful doctor restores her to health - and to himself.
| Actor | Role |
|---|---|
 Alice BradyKatherine Dereham | Katherine Dereham |
 Reginald DennyPrince Anton of Argovinia | Prince Anton of Argovinia |
 Edgard VarèseCount Wilhelm | Count Wilhelm |
 Brandon HurstColonel Dereham | Colonel Dereham |
| JJames L. CraneDr. Garth Vincent | Dr. Garth Vincent |
 Marie BurkeLady Peterborough | Lady Peterborough |
| DDavid MonternoGraf-Wilhelm | Graf-Wilhelm |
| CCarolyn IrwinMrs. Hally | Mrs. Hally |