| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albert Zugsmith | Crew | Production | Producer |
 Albrecht Joseph | Crew | Editing | Editor |
Alexander Golitzen | Crew | Art | Art Direction |
 Bud Westmore | Crew | Costume & Make-Up | Makeup Artist |
Clifford Stine | Crew | Visual Effects | Visual Effects |
Ellis W. Carter | Crew | Camera | Director of Photography |
Hans J. Salter | Crew | Sound | Music |
Herman Stein | Crew | Sound | Music |
Irving Gertz | Crew | Sound | Music |
 Jack Arnold | Crew | Directing | Director |
Jack Kevan | Crew | Costume & Make-Up | Makeup Artist |
Jay A. Morley Jr. | Crew | Costume & Make-Up | Costume Design |
Joan St. Oegger | Crew | Costume & Make-Up | Hairstylist |
Joseph Gershenson | Crew | Sound | Music Supervisor |
Leslie I. Carey | Crew | Sound | Sound |
 Ray Anthony | Crew | Sound | Musician |
Richard Alan Simmons | Crew | Writing | Screenplay |
 Richard Matheson | Crew | Writing | Screenplay, Novel |
Robert Clatworthy | Crew | Art | Art Direction |
Robert Pritchard | Crew | Sound | Sound |
Ruby R. Levitt | Crew | Art | Set Decoration |
Russell A. Gausman | Crew | Art | Set Decoration |
William Holland | Crew | Directing | Assistant Director |
Dorothy Hughes | Crew | Directing | Script Supervisor |
Tom Ouellette | Crew | Lighting | Gaffer |
Everett H. Broussard | Crew | Visual Effects | Visual Effects |
Roswell A. Hoffmann | Crew | Visual Effects | Visual Effects |
Robert Pierce | Crew | Camera | Assistant Camera |
Rydo Loshak | Crew | Costume & Make-Up | Costume Design, Wardrobe Master |
Henry Janssen | Crew | Crew | Cableman |
George Ohanian | Crew | Sound | Sound Editor |
Earl E. Lawrence | Crew | Sound | Music |
Bob Hirsch | Crew | Sound | Sound Editor |
 April Kent | Cast | Actress | Clarice |
 Billy Curtis | Cast | Actor | Midget |
 Diana Darrin | Cast | Actress | Nurse |
 Frank J. Scannell | Cast | Actor | Barker |
 Grant Williams | Cast | Actor | Scott Carey |
Helene Marshall | Cast | Nurse | |
 Paul Langton | Cast | Actor | Charlie Carey |
 Randy Stuart | Cast | Actress | Louise Carey |
 Raymond Bailey | Cast | Actor | Doctor Thomas Silver |
 William Schallert | Cast | Actor | Doctor Arthur Bramson |
Charles Perry | Cast | Actor | Spieler (uncredited) |
| Person | Type | Job | Role(s) |
