King Arthur
A poster for the 1967 movie 'Camelot.' Richard Harris won a Golden Globe as best actor for his portrayal of King Arthur; Vanessa Redgrave played Guinevere.
The film was based on the 1960 Broadway musical by Lerner and Lowe. (Richard Burton and Julie Andrews played Arthur and Guinevere in that production, with Robert Goulet as Lancelot.)