For which film did Yul Brynner win the Best Actor Oscar?

Brynner also played King Mongkut of Siam on Broadway. He snagged the Tony Award for Best Supporting or Featured Actor (Musical) for the role in 1952, as well as a special Tony Award in 1985 honoring his 4,525 appearances as the King.

Asked by Beth Sederstrom · Last updated 5 years ago · 449.9K views · SOURCE