Dana Andrews

Dr. John Holden

Peggy Cummins

Joanna Harrington

Niall MacGinnis

Dr. Julian Karswell

Maurice Denham

Professor Henry Harrington

Athene Seyler

Mrs. Karswell

Liam Redmond

Professor Mark O'Brien

Reginald Beckwith

Mr. Meek

Ewan Roberts

Lloyd Williamson

Peter Elliott

Professor K.T. Kumar

Rosamund Greenwood

Mrs. Meek

Brian Wilde

Rand Hobart

Richard Leech

Inspector Mottrarn

Lloyd Lamble

Detective Simmons

Peter Hobbes

Superintendent

Charles Lloyd Pack

Chemist

John Salew

Librarian

Janet Barrow

Mrs. Hobart

Percy Herbert

Farmer

Lynn Tracy

Air Hostess

John Harvey

Hobart's Brother

Alan Beaton

Hyma Beckley

Ballard Berkeley

Ernest Blyth

Wallace Bosco

Daniel Brown

Jimmy Cains

George Curtis

Richard Duke

Shay Gorman

Laurence Hepworth

Walter Horsbrugh

Arthur Howell

Anthony John

Dan Lester

Leonard Llewellyn

Michael Peake

Paul Phillips

Anthony Richmond

Peggy Scott Sanders

Terry Sartain

Leonard Sharp

Bert Simms

Robert Brooks Turner

Jacques Tourneur

Director

Charles Bennett

Screenplay

Hal E. Chester

Screenplay

M.R. James

Short Story

Frank Bevis

Producer

Edward Scaife

Director of Photography

Michael Gordon

Editor

Robert Lennard

Casting

Ken Adam

Production Design

Peter Glazier

Assistant Art Director

Charles Crafford

ADR & Dubbing

George Blackwell

Special Effects

Wally Veevers

Special Effects

Betty Lee

Hairstylist

Hal E. Chester

Executive Producer

Charles Crafford

Sound Effects Editor

Pamela Gayler

Continuity

S.D. Onions

Visual Effects Camera

Muir Mathieson

Music Director

Basil Keys

Assistant Director

R. L. M. Davidson

Production Manager

Clifton Parker

Original Music Composer

Arthur Bradburn

Sound Recordist