Jack Armstrong, alias "Spy Smasher", vecht tegen The Mask, een Nazi schurk, die een bende van saborteurs leidt om een spoor van vernielingen in de Verenigde Staten achter te laten.
Nee, helaas is Spy Smasher nog niet beschikbaar op Netflix in Nederland.
| Directing | William Witney | Director |
| Writing | Ronald Davidson | Screenplay |
| Writing | Norman S. Hall | Screenplay |
| Writing | William Lively | Screenplay |
| Writing | Joseph O'Donnell | Screenplay |
| Writing | Joseph F. Poland | Screenplay |
| Production | William J. O'Sullivan | Producer |
| Editing | Tony Martinelli | Editor |
| Editing | Edward Todd | Editor |
| Costume & Make-Up | Bob Mark | Makeup Artist |
| Crew | Daniel J. Bloomberg | Sound Recordist |
| Crew | Charles L. Lootens | Sound Recordist |
| Crew | Howard Lydecker | Special Effects |
| Crew | Theodore Lydecker | Special Effects |
| Crew | Yakima Canutt | Stunts |
| Crew | Tommy Coats | Stunts |
| Crew | John Daheim | Stunts |
| Crew | James Fawcett | Stunts |
| Crew | Duke Green | Stunts |
| Crew | Jerry Jerome | Stunts |
| Crew | Bert LeBaron | Stunts |
| Crew | Carey Loftin | Stunts |
| Crew | Charles Regan | Stunts |
| Crew | Loren Riebe | Stunts |
| Crew | Buddy Roosevelt | Stunts |
| Crew | David Sharpe | Stunts |
| Crew | Cy Slocum | Stunts |
| Crew | Tom Steele | Stunts |
| Crew | Duke Taylor | Stunts |
| Crew | Sid Troy | Stunts |
| Crew | Bill Wilkens | Stunts |
| Crew | Bud Wolfe | Stunts |
| Camera | Reggie Lanning | Director of Photography |
| Sound | Mort Glickman | Original Music Composer |
| Crew | Ken Terrell | Stunts |
