The Academy Award for best supporting actor is given each year by the Academy of Motion Picture Arts and Sciences to the man who delivered the most outstanding performance in a supporting role in a movie of a given year, as determined by the academy’s voting members. The winner is presented with a gold-plated statuette, known as an Oscar, at the annual ceremony.
Prizes for supporting roles were introduced in 1937, for movies released in 1936. Walter Brennan has won the most awards in this category with 3 wins.