Kenneth More as Richard Hannay

Taina Elg as Miss Fisher

Brenda De Banzie as Nellie Lumsden

Barry Jones as Professor Arthur Logan

Reginald Beckwith as Lumdsen

Faith Brook as Mandy Robinson ("Nannie")

Michael Goodliffe as Brown

James Hayter as Mr Memory

Duncan Lamont as

Jameson Clark as MacDougal

Andrew Cruickshank as Sheriff

Leslie Dwyer as Milkman

Betty Henderson as Mrs, MacDougal

Joan Hickson as Miss Dobson

Sid James as Perce Baker

Brian Oulton as

Barbara Steele as Extra

Marianne Stone as Hospital Administrator (uncredited)

Jill Haworth as Schoolgirl on Train (uncredited)

Peter Vaughan as 2nd Police Constable on Train (uncredited)

Carol White as Schoolgirl in Assembly Hall (uncredited)

Bill Simpson as Bridegroom (uncredited)

Sam Kydd as Train restaurant staff (uncredited)

Michael Brennan as Detective on Train (uncredited)

Bruce Seton as Policeman on Train (uncredited)

Margot Boyd as

John Grieve as