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