Cast
Barbara Steele
Extra
Jill Haworth
Schoolgirl on Train (uncredited)
Bruce Seton
Policeman on Train (uncredited)
Kenneth More
Richard Hannay
Brenda De Banzie
Nellie Lumsden
Faith Brook
Mandy Robinson ("Nannie")
Michael Goodliffe
Brown
Jameson Clark
MacDougal
Sidney James
Perce Baker
Marianne Stone
Hospital Administrator (uncredited)
Barry Jones
Professor Arthur Logan
Duncan Lamont
Leslie Dwyer
Milkman
Joan Hickson
Miss Dobson
Carol White
Schoolgirl in Assembly Hall (uncredited)
Sam Kydd
Train restaurant staff (uncredited)
Michael Brennan
Detective on Train (uncredited)
Reginald Beckwith
Lumdsen
James Hayter
Mr Memory
Andrew Cruickshank
Sheriff
Brian Oulton
Peter Vaughan
2nd Police Constable on Train (uncredited)
Taina Elg
Miss Fisher