Jack Banning is a motorcycle cop by day and undercover agent by night. Disguising himself as "Strongarm Samson," Banning infiltrates a gang of smugglers headed by Richard Courtney.
| Actor | Role |
|---|---|
 George WalshJack Banning | Jack Banning |
 Ruth DwyerMarion Marcy | Marion Marcy |
 Brian DonlevyRichard Courtney | Richard Courtney |
 Lucien PrivalSpanish Joe | Spanish Joe |
 Laura De CardiDorina | Dorina |