| Person | Type | Job | Role(s) |
|---|---|---|---|
 Aaron Stell | Crew | Editing | Editor |
 Curt Siodmak | Crew | Writing | Screenplay, Story |
Eddie Saeta | Crew | Directing | Assistant Director |
 Edward L. Cahn | Crew | Directing | Director |
Fred Jackman Jr. | Crew | Camera | Director of Photography |
J.S. Westmoreland | Crew | Sound | Sound |
Jack Erickson | Crew | Crew | Special Effects |
Leon Chooluck | Crew | Production | Unit Manager |
Mischa Bakaleinikoff | Crew | Sound | Conductor |
Paul Palmentola | Crew | Art | Art Direction |
Sam Katzman | Crew | Production | Executive Producer |
Sidney Clifford | Crew | Art | Set Decoration |
 Angela Stevens | Cast | Actress | Joyce Walker |
 Boyd 'Red' Morgan | Cast | Actor | Creature (uncredited) |
 Cap Somers | Cast | Actor | Policeman (uncredited) |
 Charles Evans | Cast | Actor | Chief Camden |
 Charles Horvath | Cast | Actor | Creature (uncredited) |
 Chuck Hicks | Cast | Actor | Pilot (uncredited) |
Dick Crockett | Cast | Actor | Creature Who Calls Camden (uncredited) |
 Don C. Harvey | Cast | Actor | Lester Banning (uncredited) |
 Eddie Foster | Cast | Actor | Bartender (uncredited) |
Edward Coch | Cast | Actor | Jason Franchot (uncredited) |
George Bruggeman | Cast | Actor | Creature (uncredited) |
 Gregory Gaye | Cast | Actor | Dr. Wilhelm Steigg |
 Harry Lauter | Cast | Actor | Reporter #1 |
 Karl 'Killer' Davis | Cast | Actor | Willard Pearce (uncredited) |
 Lane Chandler | Cast | Actor | Gen. Saunders (uncredited) |
 Larry J. Blake | Cast | Actor | Reporter #2 |
Linda Bennett | Cast | Actress | Penny Walker |
 Michael Granger | Cast | Actor | Frank Buchanan |
 Michael Ross | Cast | Actor | Creature Vernon Dunn (uncredited) |
 Nelson Leigh | Cast | Actor | Dr. Kenneth C. Norton (uncredited) |
 Pierre Watkin | Cast | Actor | Mayor Bremer |
 Richard Denning | Cast | Actor | Dr. Chet Walker |
 Richard H. Cutting | Cast | Actor | Dick Cutting, Radio Broadcaster (uncredited) |
 S. John Launer | Cast | Actor | Capt. Dave Harris |
 Terry Frost | Cast | Actor | Tom, Policeman (uncredited) |
 Tris Coffin | Cast | Actor | Dist. Atty. MacGraw |
 Tyler McVey | Cast | Actor | Police Officer (uncredited) |
 Paul Bradley | Cast | Actor | Gambling Casino Employee (uncredited) |
Bill Clark | Cast | Actor | Policeman (uncredited) |
Paul Hoffman | Cast | Tom Dunn (uncredited) | |
| Person | Type | Job | Role(s) |
