Prof. Norman Reed
Lon Chaney Jr.
Paula Clayton Reed
Anne Gwynne
Party Guest (uncredited)
Gertrude Astor
Edmund Mortimer
Larry Steers
The Carpenter (uncredited)
Chuck Hamilton
The Spirit of the Inner Sanctum (uncredited)
David Hoffman
Second Gossiping Male Student (uncredited)
William Hudson
Milburn Stone
Illona Carr
Evelyn Ankers
Prof. Millard Sawtelle
Ralph Morgan
Dean Grace Gunnison
Elisabeth Risdon
Margaret Mercer
Lois Collier
Dean Septimus Carr
Harry Hayden
Evelyn Sawtelle
Elizabeth Russell
David Jennings
Phil Brown
Student
Kay Harding
Director of Photography
Virgil Miller
Director
Reginald Le Borg
Associate Producer
Oliver Drake
Adaptation
Scott Darling
Novel
Fritz Leiber Jr.
Producer
Ben Pivar
Sound
William Hedgcock
Sound Director
Bernard B. Brown
Costume Designer
Vera West
Visual Effects
John P. Fulton
Art Direction
Richard H. Riedel
Assistant Director
William Tummel
Set Decoration
A.J. Gilmore
John B. Goodman
Russell A. Gausman
Original Music Composer
Paul Sawtell
Editor
Milton Carruth
Screenplay
Brenda Weisberg