Peter Vaughan as Roper

John Carson as Trevor Bayliss

Yvonne Romain as Janet Dexter

Gerald Flood as Graham Turner

Glynn Edwards as Inspector Wright

John Glyn-Jones as Player

Sam Kydd as Hotel Waiter

Penny Morrell as Helen - Turner's Secretary

Deryck Guyler as Station Master

David Gregory as Pete The Smudger

Jill Curzon as June

Barbara Hicks as Miss Breen

Bert Palmer as Barman

Tom Gill as Reception Clerk

Edward Ogden as Police Sergeant

Anthony Dawes as John Dexter

Romo Gorrara as Taxi Driver

Maja Hafernik as Maid

Damaris Hayman as Mrs Roper's Nurse (Uncredited)

Derek Francis as Dexter's Doctor (Uncredited)