A government agent sets out to capture a gang of airmail bandits who use a death ray to blow planes out of the sky.
| Actor | Role |
|---|---|
 Bruce BennettEric Lane - Agent 17 | Eric Lane - Agent 17 |
 Joan BarclayMarion Bronson | Marion Bronson |
 Monte BlueBenjamin Arnold | Benjamin Arnold |
 Edward EarleFBI Chief Maddox | FBI Chief Maddox |
 Roger WilliamsHenchman Nick Reagan | Henchman Nick Reagan |
 Jack MulhallHenchman Meggs | Henchman Meggs |
 Earle HodginsHenchman Spike Hodgins | Henchman Spike Hodgins |
| FFrank WayneHenchman Pete | Henchman Pete |
| HHenry RoquemoreRoger Bronson | Roger Bronson |
 Duncan RenaldoCount Barksi | Count Barksi |
 Hattie McDanielJenny | Jenny |
 Ed CassidyFBI Agent Wilks | FBI Agent Wilks |
 Lois WildeNightclub Blonde | Nightclub Blonde |
 Charles WilliamsNightclub Entertainer | Nightclub Entertainer |
 Fred ParkerWedding Violinist | Wedding Violinist |
 Broderick O'FarrellMinister | Minister |
 Budd BusterYard Worker with Truck | Yard Worker with Truck |
| DDick CramerAgent-Driver (Car Chase) | Agent-Driver (Car Chase) |
 Tom LondonAgent-Passenger (Car Chase) | Agent-Passenger (Car Chase) |