Don Chaffey
Director
Robert Hamer
Writer
Dennis Bertera
Assistant Director
Peter Tanner
Editor
H.L. Bird
Sound
George Provis
Art Direction
Gerald Gibbs
Director of Photography
Barrie Melrose
Second Assistant Director
John Barry
Music
Donald Taylor
Producer
Donald Taylor
Screenplay
Bill Blunden
Sound Editor
C.E. Vulliamy
Novel
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
