| Person | Type | Job | Role(s) |
|---|---|---|---|
 Allen Pomeroy | Crew | Crew | Stunts |
Basil Dickey | Crew | Writing | Screenplay |
Bert LeBaron | Crew | Crew | Stunt Double |
Bob Mark | Crew | Costume & Make-Up | Makeup Supervisor |
Charles S. Thompson | Crew | Art | Set Decoration |
 Dale Van Sickel | Crew | Crew | Stunt Double |
Duke Green | Crew | Crew | Stunt Double |
Earl Turner | Crew | Editing | Editor |
 Eddie Parker | Crew | Crew | Stunts |
 Elmer Clifton | Crew | Directing | Director |
Fred A. Ritter | Crew | Art | Art Direction |
 Fred Graham | Crew | Crew | Stunts |
Grant Nelson | Crew | Writing | Screenplay |
 Harry L. Fraser | Crew | Writing | Screenplay |
Helen Thurston | Crew | Crew | Stunt Double |
 Jack Kirby | Crew | Writing | Characters |
Jesse Duffy | Crew | Writing | Screenplay |
 Joe Simon | Crew | Writing | Characters |
Joe Yrigoyen | Crew | Crew | Stunts |
 John Bagni | Crew | Crew | Stunts |
 John Daheim | Crew | Crew | Stunts |
John English | Crew | Directing | Director |
John MacBurnie | Crew | Camera | Director of Photography |
Joseph F. Poland | Crew | Writing | Screenplay |
Ken Terrell | Crew | Crew | Stunt Double |
Mort Glickman | Crew | Sound | Music |
Ronald Davidson | Crew | Writing | Screenplay |
Royal K. Cole | Crew | Writing | Screenplay |
Wallace Grissell | Crew | Editing | Editor |
William J. O'Sullivan | Crew | Production | Associate Producer |
Ed Borschell | Crew | Sound | Sound |
 Al Ferguson | Cast | Actor | Detective |
 Charles Trowbridge | Cast | Actor | Police Commissioner Dryden |
 Dick Purcell | Cast | Actor | Captain America / Grant Gardner |
 Edward Van Sloan | Cast | Actor | Gregory |
 Frank Reicher | Cast | Actor | Lyman |
 George J. Lewis | Cast | Actor | Bart Matson |
 Howard Hickman | Cast | Actor | Lyman’s Attorney |
James Carlisle | Cast | Actor | J.V. Wilson (uncredited) |
 John Davidson | Cast | Actor | Gruber |
 Lionel Atwill | Cast | Actor | Cyrus Maldor |
 Lorna Gray | Cast | Actress | Gail Richards |
 Russell Hicks | Cast | Actor | Mayor Randolph |
 Tom London | Cast | Actor | Mack |
| Person | Type | Job | Role(s) |
