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Obi-Wan Kenobi, a wise and powerful Jedi Master, was portrayed by Alec Guinness in the original Star Wars trilogy. As a mentor to Luke Skywalker, he played a pivotal role in the fight against the Galactic Empire. Guinness's portrayal of Kenobi is widely regarded as one of the most iconic performances in cinema history, capturing the character's wisdom, strength, and unwavering commitment to the Force.