Paul Stevens

Doctor Allan Barnes

Claudette Nevins

Pam Albright

Anne Collings

Miss Goodrich

Bill Walker

Lieutenant Martin

Martin Lavut

Michael Radin

Leo Leyden

Doctor Soames

Norman Ettlinger

Professor Quincey

Bill Brydon

W.B. Brydon

Anderson (as Bill Bryden)

Jim Moran

Jim Moran

Eleanor Beecroft

Mrs. Kelly

Ray Lawlor

Lab Technician

Rudi Linschoten

Mime in Nightmare

Steven Appleby

Stephen Ker Appleby

Museum Guide (as Steven Appleby)

Alfie Scopp

Paul Elsom

Harry Blackstone

Self (in introduction added to video version) (uncredited)

Nancy Island

Girl Who Is Killed (uncredited)

Paul Nevens

Demon of the Mask (uncredited)

Julian Roffman

Director

Frank Taubes

Guión, Guión Adaptado

Sandy Haver

Guión, Guión Adaptado

Franklin Delessert

Guión, Guión Adaptado

Herbert S. Alpert

Director de Fotografía

Louis Applebaum

Compositor de la Música Original, Conductor

Myron Schaeffer

Música

Willard W. Goodman

Sound

Julian Roffman

Productor

Nat Taylor

Productor

Beaver-Champion Attractions

Compañía de Produccion

Taylor Roffman Productions

Compañía de Produccion

Yvonne Taylor

Productor Asociado

Sandy Haver

Productor Asociado

Frank Taubes

Productor Asociado

William S. Owens

Production Manager

Jean S. Lenauer

Production Consultant

Stephen Timar

Editor

David R. Ballou

Dirección Artística

Hugo Wuethrich

Assistant Art Director

Don Gillies

Choreographer

Dick Vorisek

Sound Recordist