| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alfred Sweeney | Crew | Art | Art Direction |
Bernard Herzbrun | Crew | Art | Art Direction |
 Bud Westmore | Crew | Costume & Make-Up | Makeup Artist |
Charles Previn | Crew | Sound | Music |
 Frank Skinner | Crew | Sound | Music |
Hans J. Salter | Crew | Sound | Music |
Irving Glassberg | Crew | Camera | Director of Photography |
Jerry Sackheim | Crew | Writing | Screenplay, Story |
Joan St. Oegger | Crew | Costume & Make-Up | Hairstylist |
Joe Lapis | Crew | Sound | Sound |
Joseph Gershenson | Crew | Sound | Music Director |
Leslie I. Carey | Crew | Sound | Sound |
Milton Rosen | Crew | Sound | Music |
 Nathan H. Juran | Crew | Directing | Director |
Oliver Emert | Crew | Art | Set Decoration |
 Paul Dessau | Crew | Sound | Music |
Paul Sawtell | Crew | Sound | Music |
Ray Romero | Crew | Costume & Make-Up | Makeup Artist |
Russell A. Gausman | Crew | Art | Set Decoration |
Russell F. Schoengarth | Crew | Editing | Editor |
 William Alland | Crew | Production | Producer |
William Holland | Crew | Directing | Assistant Director |
 William Lava | Crew | Sound | Music |
David S. Horsley | Crew | Visual Effects | Visual Effects |
Bernard Szold | Cast | Actor | Koppich (uncredited) |
 Boris Karloff | Cast | Actor | Dr. Meissen |
 Henry Corden | Cast | Actor | Fender |
 Jack Perrin | Cast | Actor | Hunter (uncredited) |
 John Hoyt | Cast | Actor | Count Steiken |
John Roy | Cast | Actor | Guard (uncredited) |
Leslie Denison | Cast | Actor | Sir David Layton (uncredited) |
 Lon Chaney Jr. | Cast | Actor | Gargon |
 Michael Pate | Cast | Actor | Count Ernst von Melcher |
Nancy Valentine | Cast | Therese von Wilk | |
 Otto Waldis | Cast | Actor | Innkeeper Krantz |
 Richard Greene | Cast | Actor | Sir Ronald Burton / Richard Beckett |
 Rita Corday | Cast | Actress | Countess Elga von Bruno |
 Roy Engel | Cast | Actor | Burgher |
 Stephen McNally | Cast | Actor | Count Karl von Bruno |
 Tudor Owen | Cast | Actor | Romley |
Victor Romito | Cast | Actor | Guard (uncredited) |
 Chuck Hamilton | Cast | Actor | Guard (uncredited) |
Forrest Burns | Cast | Guard (uncredited) | |
| Person | Type | Job | Role(s) |
