Leo McKern

Professor Kerris Bowles-Ottery

Janet Munro

Delia Brooks

Maxine Audley

Clarinda Bowles-Ottery

Dennis Price

Dr. John Hughes

Miles Malleson

Dr. Woolley

Mervyn Johns

Willie Pugh-Smith

Leonard Rossiter

Dr. Fisher

Jennifer White

TV Make-Up Girl

Patricia Jessel

Mrs. Pugh-Smith

Duncan Macrae

Dr. Brass

George Benson

Inspector Butts

Ralph Michael

Superintendent Rastleigh

Alan Wheatley

Epicene

Wally Patch

Tom Pike

Mark Dignam

The Master

Jerome Willis

Detective Inspector Armstrong

John Sharp

Hodges

Lloyd Pearson

Dr. Rossiter

Don Chaffey

Director

Robert Hamer

Guión

Donald Taylor

Guión Adaptado

C.E. Vulliamy

Novela

Gerald Gibbs

Director de Fotografía

John Barry

Compositor de la Música Original

Pax Films

Compañía de Produccion