In search of her fugitive brother, who wounded a man who was later murdered, Johanna Hearne encounters pirates, a Chinaman with a harem and criminals as slaves, and love on a desert island for ship captain Dan Meloy.
| Actor | Role |
|---|---|
 Jacqueline LoganJohanna Hearne | Johanna Hearne |
 Sôjin KamiyamaYut Sen | Yut Sen |
 Jack MowerDan Meloy | Dan Meloy |
 Andy ClydeAlec | Alec |
 Arthur RankinDonald Hearne | Donald Hearne |
 Glen CavenderCramsey | Cramsey |
| TThomas A. CurranChief of Police | Chief of Police |
 Frank LanningMoja | Moja |
 J.P. McGowanMotilla | Motilla |
 Frank MoranFirst Mate | First Mate |