Richard Hannay

Kenneth More

Miss Fisher

Taina Elg

MacDougal

Jameson Clark

Mrs, MacDougal

Betty Henderson

Lumdsen

Reginald Beckwith

Hospital Administrator (uncredited)

Marianne Stone

Schoolgirl on Train (uncredited)

Jill Haworth

2nd Police Constable on Train (uncredited)

Peter Vaughan

Schoolgirl in Assembly Hall (uncredited)

Carol White

Bridegroom (uncredited)

Bill Simpson

Train restaurant staff (uncredited)

Sam Kydd

Mr Memory

James Hayter

Professor Arthur Logan

Barry Jones

Extra

Barbara Steele

Nellie Lumsden

Brenda De Banzie

Mandy Robinson ("Nannie")

Faith Brook

Miss Dobson

Joan Hickson

Perce Baker

Sid James

Milkman

Leslie Dwyer

Director

Ralph Thomas

Screenplay

Frank Harvey

Novel

John Buchan

Music

Clifton Parker

Cinematography

Ernest Steward

Clapper Loader

Mike Fox

Editor

Alfred Roome

Producer

Betty E. Box