Lon Chaney Jr.

Prof. Norman Reed

Anne Gwynne

Paula Clayton Reed

Evelyn Ankers

Illona Carr

Ralph Morgan

Prof. Millard Sawtelle

Elisabeth Risdon

Dean Grace Gunnison

Lois Collier

Margaret Mercer

Harry Hayden

Dean Septimus Carr

Elizabeth Russell

Evelyn Sawtelle

Phil Brown

David Jennings

Kay Harding

Student

Gertrude Astor

Party Guest (uncredited)

Edmund Mortimer

Party Guest (uncredited)

Larry Steers

Party Guest (uncredited)

Chuck Hamilton

The Carpenter (uncredited)

David Hoffman

The Spirit of the Inner Sanctum (uncredited)

William Hudson

Second Gossiping Male Student (uncredited)

Milburn Stone

Reginald Le Borg

Director

Ben Pivar

Producer

Virgil Miller

Director of Photography

Oliver Drake

Associate Producer

Scott Darling

Adaptation

Fritz Leiber Jr.

Novel

John P. Fulton

Visual Effects

Vera West

Costume Designer

Bernard B. Brown

Sound Director

William Hedgcock

Sound

Russell A. Gausman

Set Decoration

A.J. Gilmore

Set Decoration

Paul Sawtell

Original Music Composer

Richard H. Riedel

Art Direction

John B. Goodman

Art Direction

William Tummel

Assistant Director

Milton Carruth

Editor

Brenda Weisberg

Screenplay

Universal Pictures

US