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
Producer
Ben Pivar
Associate Producer
Oliver Drake
Adaptation
Scott Darling
Novel
Fritz Leiber Jr.
Visual Effects
John P. Fulton
Costume Designer
Vera West
Sound Director
Bernard B. Brown
Sound
William Hedgcock
Set Decoration
Russell A. Gausman
A.J. Gilmore
Original Music Composer
Paul Sawtell
Art Direction
Richard H. Riedel
John B. Goodman
Assistant Director
William Tummel
Editor
Milton Carruth
Screenplay
Brenda Weisberg