Diretor/a
Reginald Le Borg
DIRETOR/A
Elenco (na ordem dos créditos)
Lon Chaney Jr.
Norman Reed
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
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
Larry Steers
Milburn Stone
Radio Announcer(uncredited)(voice)