1.Not only did Harold Russell win Best Supporting Actor for his first-ever acting role in The Best Years of Our Lives in 1947, he simultaneously became the first person to win two Oscars for the same part.
10.Haing S. Ngor's debut acting role in The Killing Fields earned him Best Supporting Actor in 1985 (making him the first Asian Oscar Winner in that category).
11.Not only did Marlee Matlin win Best Actress in 1987 with her first movieChildren of a Lesser God, but she was also the only ever deaf actor to have won any Oscar until 2022.