Wealthy shipowner Lawrence Bradbury is determined to catch silk thieves who operate by means of his ships. His brother Jim, the ringleader, hoodwinks Lawrence into thinking he is a revenue officer. The skipper and a friend are suspected, but the friend proves to be the revenue man and the crooked brother is caught.
| Actor | Role |
|---|---|
 Dustin FarnumLawrence Bradbury | Lawrence Bradbury |
 Ethel Grey TerryConstance Hastings | Constance Hastings |
 Fred ThomsonJim Bradbury | Jim Bradbury |
 Maurice 'Lefty' FlynnNed Hastings | Ned Hastings |
 Norman SelbyHicks | Hicks |
 Aileen PringleAlice | Alice |
 Herschel MayallCaptain Steele | Captain Steele |
| BBob PerryGang Leader | Gang Leader |