The Long Dark Hall

Rex Harrison

Arthur Groome

Lilli Palmer

Mary Groome

Tania Heald

Sheila Groome

Henrietta Barry

Rosemary Groome

Dora Sevening

Mary's mother

Ronald Simpson

Mary's father

Anthony Dawson

The Man

Brenda De Banzie

Mrs Rogers

Ballard Berkeley

Supt. Maxey

Raymond Huntley

Chief Inspector Sullivan

William Squire

Sergeant Cochcran

Denis O'Dea

Sir Charles Morton

Anthony Bushell

Clive Bedford

Henry B. Longhurst

Judge

Patricia Cutts

Rose Mallory

Meriel Forbes

Marjorie Danns

Douglas Jefferies

Dr Conway

Michael Medwin

Leslie Scott

Colin Gordon

Pound

Lionel Murton

Jefferson

Nunnally Johnson

Screenplay

John Glen

Assistant Editor

Wilkie Cooper

Director of Photography

Adrian Pryce-Jones

Assistant Director

Tom Simpson

Editor

Rex Harrison

Associate Producer

Ronald Kinnoch

Associate Producer

Huntington Hartford

Producer

John O'Gorman

Makeup Artist

Anthony Bushell

Director, Producer

Benjamin Frankel

Original Music Composer

W.E. Fairchild

Additional Dialogue

Reginald Beck

Director

Edgar Lustgarten

Novel

Peter Price

Third Assistant Director

Iris Tilley

Hairdresser

George Paterson

Art Direction

Fred Turtle

Sound Mixer

Betty Forster

Continuity

Eric Besche

Camera Operator