Trailer
Images
 | Tom Steele as The Masked Marvel |
 | Louise Currie as Alice Hamilton |
 | Johnny Arthur as Mura Sakima |
 | William Forrest as Martin Crane |
 | Anthony Warde as 'Killer' Mace |
| Rod Bacon as Jim Arnold |
 | Richard Clarke as Frank Jeffers |
| David Bacon as Bob Barton |
| Bill Healy as Terry Morton |
 | Howard Hickman as Warren Hamilton |
 | Eddie Parker as Meggs |
 | Kenneth Harlan as Gas Works Policeman |
| Thomas Louden as Matthews |
| Duke Green as Carl - Delivery-Truck Thug / Spike - Gas works saboteur / Kaler - Roof-top thug |
 | Dale Van Sickel as Tall Gas-Works Saboteur / Station-Wagon Thug / Super-X Warehouse Thug #1 |
 | Wendell Niles as Newscaster |
 | Lester Dorr as Reporter #1 |
| Directing | |
| Spencer Gordon Bennet | Director |
Writing | |
| Royal K. Cole | Screenplay |
| Ronald Davidson | Screenplay |
| Basil Dickey | Screenplay |
| Jesse Duffy | Screenplay |
| Grant Nelson | Screenplay |
| George H. Plympton | Screenplay |
| Joseph F. Poland | Screenplay |
Production | |
| William J. O'Sullivan | Producer |
Editing | |
| Wallace Grissell | Editor |
| Earl Turner | Editor |
Costume & Make-Up | |
| Ern Westmore | Makeup Artist |
Crew | |
| Howard Lydecker | Special Effects |
| Theodore Lydecker | Special Effects |
| John Daheim | Stunts |
| Bud Geary | Stunts |
| Fred Graham | Stunts |
| Duke Green | Stunts |
| Charles Hutchison | Stunts |
| Thom Metzetti | Stunts |
| Betty Miles | Stunts |
| Eddie Parker | Stunts |
| Preston Peterson | Stunts |
| Allen Pomeroy | Stunts |
| Tom Steele | Stunts |
| Dale Van Sickel | Stunts |
| Joe Yrigoyen | Stunts |
Camera | |
| Reggie Lanning | Director of Photography |
Sound | |
| Mort Glickman | Original Music Composer |
Crew | |
| Ken Terrell | Stunts |
