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Nine of the BFI's 100 greatest British films feature Alec Guinness, a testament to his exceptional talent and versatility as an actor. His performances in classics such as "Kind Hearts and Coronets" (1949), "The Bridge on the River Kwai" (1957), and "Lawrence of Arabia" (1962) have left an indelible mark on British cinema, showcasing his ability to portray a wide range of characters with depth and nuance.