Suspect (1960 film)

Suspect is a 1960 British thriller film directed by Roy Boulting and John Boulting. It starred Tony Britton, Virginia Maskell, Ian Bannen, Peter Cushing and Donald Pleasence, and was filmed on a limited budget at Shepperton in seventeen days. It was released in the U.S. as The Risk. A young scientists pioneering work and his acquaintance with subversive antigovernment groups attract the attention of the authorities.

Source: Wikipedia