Suspect

A government team researching cures for plague find their results put on the Official Secrets list. One of their number is so incensed by this that he lets the maimed and jealous companion of a female colleague draw him into what, technically, could be a treasonable act. 　　Tony Britton ... Dr. Robert Marriott 　　Virginia Maskell... Dr. Lucy Byrne 　　Ian Bannen... Alan Andrews 　　Kenneth Griffith... Dr Shole 　　Peter Cushing... Professor Sewell 　　Thorley Walters... Special Agent Prince 　　Donald Pleasence... Parsons, alias Bill Brown 　　Spike Milligan... Arthur, lab orderly 　　Raymond Huntley... Sir George Gatting, the Minister of Defense 　　Sam Kydd... Slater 　　Anthony Booth... Parkin 　　Basil Dignam... Dr.Childs 　　Brian Oulton... Director 　　Robert Bruce... Levers 　　John Payne... Iverson