A scientist invents a poison gas; the villain and his gang will do anything to get the formula; our hero, "Lightning Hutch", is sent to save the scientist, the scientist's beautiful daughter, and the formula.
| Actor | Role |
|---|---|
 Charles HutchisonLarry Hutchdale / 'Lightning Hutch' | Larry Hutchdale / 'Lightning Hutch' |
| EEdith ThorntonDiane Winters | Diane Winters |
 Sheldon LewisBoris Kosloff | Boris Kosloff |
 Eddie PhillipsClifford Price | Clifford Price |
 Violet SchramMarie Bruseff | Marie Bruseff |
| BBen WalkerHenry | Henry |
 Virginia PearsonJanet Thornwall | Janet Thornwall |
 Gordon SackvilleHugh Thornwall | Hugh Thornwall |
 LeRoy MasonFrank Proctor | Frank Proctor |
 Ethan LaidlawDetective [Chs. 2-3] / Kosloff Henchman [Ch. 4 onwards] (uncredited) | Detective [Chs. 2-3] / Kosloff Henchman [Ch. 4 onwards] (uncredited) |