Directed by
| Reginald Le Borg | ... | (as Reginald LeBorg) |
Writing Credits
| Fritz Leiber Jr. | ... | (novel) |
| Scott Darling | ... | (adaptation) (as W. Scott Darling) |
| Brenda Weisberg | ... | (screenplay) |
Cast (in credits order)
| Lon Chaney Jr. | ... | Norman Reed (as Lon Chaney) | |
| Anne Gwynne | ... | Paula Reed | |
| Evelyn Ankers | ... | Ilona Carr | |
| Ralph Morgan | ... | Prof. Millard Sawtelle | |
| Elisabeth Risdon | ... | Grace Gunnison | |
| Lois Collier | ... | Margaret | |
 |
Harry Hayden | ... | Prof. Septimus Carr |
| Elizabeth Russell | ... | Evelyn Sawtelle | |
| Phil Brown | ... | David Jennings | |
| Kay Harding | ... | Student (as Jackie Lou Harding) | |
| Rest of cast listed alphabetically: | |||
| Gertrude Astor | ... | Party Guest (uncredited) | |
| Chuck Hamilton | ... | The Carpenter (uncredited) | |
| David Hoffman | ... | The Spirit of the Inner Sanctum (uncredited) | |
| William Hudson | ... | Second Gossiping Male Student (uncredited) | |
|
|
Hanna Kaapa | ... | Laraua, the High Priestess (uncredited) |
| Edmund Mortimer | ... | Party Guest (uncredited) | |
| Larry Steers | ... | Party Guest (uncredited) | |
| Milburn Stone | ... | Radio Announcer (voice) (uncredited) | |
Produced by
| Oliver Drake | ... | associate producer |
| Ben Pivar | ... | producer (uncredited) |
Music by
| Paul Sawtell | ... | (uncredited) |
Cinematography by
| Virgil Miller | ... | director of photography |
Editing by
| Milton Carruth | ||
Art Direction by
| John B. Goodman | ||
| Richard H. Riedel | ... | (as Richard Riedel) |
Set Decoration by
| Russell A. Gausman | ... | (as R.A. Gausman) |
| A.J. Gilmore | ||
Second Unit Director or Assistant Director
| William Tummel | ... | assistant director (uncredited) |
Sound Department
| Bernard B. Brown | ... | sound director |
| William Hedgcock | ... | sound technician |
Visual Effects by
| John P. Fulton | ... | special photography |
Costume and Wardrobe Department
| Vera West | ... | gowns |
| Eugene Joseff | ... | costume jeweller (uncredited) |
Music Department
| Paul Sawtell | ... | musical director |
| Charles Previn | ... | composer: stock music (uncredited) |
| Hans J. Salter | ... | composer: stock music (uncredited) |
| Frank Skinner | ... | composer: stock music (uncredited) |
