When his father is falsely convicted and sentenced to die for a murder committed aboard ship, the man's son signs on as a crewman to discover the real killer and clear his father.
| Actor | Role |
|---|---|
 Johnnie WalkerFrank Armstrong | Frank Armstrong |
 Shirley MasonRuth Enright | Ruth Enright |
 Tom SantschiGrim Hawley - Sea Captain | Grim Hawley - Sea Captain |
 Frank HagneyBull Marlow | Bull Marlow |
 Boris KarloffGrouchy | Grouchy |
 Horace B. Carpenter(unconfirmed) | (unconfirmed) |
 George MagrillNot listed | Not listed |
| JJoseph BennettDeaf mute | Deaf mute |
| AArthur DeweyDroop Johnson | Droop Johnson |
| JJoseph P. MackNot listed | Not listed |
 J.P. LockneyNot listed | Not listed |
 Lafe McKeeNot listed | Not listed |
 Leo D. MaloneyNot listed | Not listed |
| TTom MintzNot listed | Not listed |
 Jack PerrinNot listed | Not listed |