A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) endeavor to discover and thwart the loathsome saboteur Sakima.
Unfortunately the movie The Masked Marvel is not yet available on HBO Max.
| Directing | Spencer Gordon Bennet | Director |
| Writing | Royal K. Cole | Screenplay |
| Writing | Ronald Davidson | Screenplay |
| Writing | Basil Dickey | Screenplay |
| Writing | Jesse Duffy | Screenplay |
| Writing | Grant Nelson | Screenplay |
| Writing | George H. Plympton | Screenplay |
| Writing | Joseph F. Poland | Screenplay |
| Production | William J. O'Sullivan | Producer |
| Editing | Wallace Grissell | Editor |
| Editing | Earl Turner | Editor |
| Costume & Make-Up | Ern Westmore | Makeup Artist |
| Crew | Howard Lydecker | Special Effects |
| Crew | Theodore Lydecker | Special Effects |
| Crew | John Daheim | Stunts |
| Crew | Bud Geary | Stunts |
| Crew | Fred Graham | Stunts |
| Crew | Duke Green | Stunts |
| Crew | Charles Hutchison | Stunts |
| Crew | Thom Metzetti | Stunts |
| Crew | Betty Miles | Stunts |
| Crew | Eddie Parker | Stunts |
| Crew | Preston Peterson | Stunts |
| Crew | Allen Pomeroy | Stunts |
| Crew | Tom Steele | Stunts |
| Crew | Dale Van Sickel | Stunts |
| Crew | Joe Yrigoyen | Stunts |
| Camera | Reggie Lanning | Director of Photography |
| Sound | Mort Glickman | Original Music Composer |
| Crew | Ken Terrell | Stunts |
