While a ship's captain is being slowly poisoned, a gang of thugs try to take over the ship.
| Actor | Role |
|---|---|
 Noah Beery1st Mate Woolf Barstow | 1st Mate Woolf Barstow |
 Dorothy BurgessConcha Renaldo | Concha Renaldo |
 Miriam SeegarMary Carroll Murray | Mary Carroll Murray |
 George Walsh2nd Mate Steve Trent | 2nd Mate Steve Trent |
 Montagu LoveCapt. Scar Murray | Capt. Scar Murray |
 Jimmy AubreyBloater, Drunken Sailor | Bloater, Drunken Sailor |
 Horace B. CarpenterCapt. Smith | Capt. Smith |
 Olin FrancisSeaman Bill | Seaman Bill |
| LLeon WongBoss Wong | Boss Wong |
 Fred 'Snowflake' ToonesSnowball, the Ship's Cook | Snowball, the Ship's Cook |
 Frank Hall CraneCapt. Carroll | Capt. Carroll |
| WWilliam F. MoranSeaman | Seaman |