When her parents are drowned at sea, "Princess" Judy is adopted by a soft-hearted old sea captain, Captain Zack, and brought to live on his tugboat.
| Actor | Role |
|---|---|
 Walter C. KellyCaptain Zack | Captain Zack |
 Valerie HobsonSally | Sally |
 Edith Fellows'Princess' Judy | 'Princess' Judy |
 Clyde CookSteve, the Engineer | Steve, the Engineer |