The BreakthroughTV MovieDramaScience Fiction61The Breakthrough61TV MovieDramaScience Fictionthumb_upthumb_downThe BreakthroughJanuary 8, 1975Directed byGraham EvansAn adaptation of Daphne du Maurier's 1966 short story of the same title, broadcast as part of the BBC's "BBC2 Playhouse".GB content warning Last Updated: 27 days ago Request Update CastSimon WardSaundersBrewster MasonMacleanThomas ElliceKenClive SwiftRobbieAnthony NichollsSir John FowlerRoy BoydJasonMaryann TurnerMrs JasonRosalind McCabeNikiJohn WestbrookVoice of Charon One