Guest Stars John Woodvine as Cheeseman Nicholas Young as Bateman Rosamund Greenwood as Miss Tompkins Geoffrey Colvile as Man in train Max Adrian as Nathan W Potts Helen Christie as Bookmaker's wife Charles Pinner as Jenkins Rupert Webster as Kinder Graham Armitage as Dingle Christopher Reynalds as Alethorpe Ian Carmichael as Jimmy Nicholson Jason Kemp as Stephen Charles Lewsen as Streaky Bacon John Glyn-Jones as Phelps Angus MacKay as Ramsay-Foot Dinah Sheridan as Matron Keith Marsh as Bookmaker Nigel Hawthorne as Major Hilda Braid as Major's wife