Who has won Both best actor and director Oscars?

Only three people have won both the Best Actor and Best Director Oscars in the same year:

* Charles Chaplin for *The Circus* (1928)

* Robert Redford for *Ordinary People* (1980)

* Kevin Costner for *Dances with Wolves* (1990)

It's a rare feat, showcasing exceptional talent and accomplishment in both acting and directing!