The legendary leading man of Akira Kurosawa turned down offers from George Lucas, said his daughter at an event with Steve Wozniak to announce Tokyo Comic Con. Toshiro Mifune, the legendary actor and star of numerous Akira Kurosawa films including Seven Samurai, Yojimbo and Rashomon, turned down the roles of Obi Wan Kenobi and Darth Vader, worried that Star Wars was going to look cheap, according to his daughter Mika.