Jake Gyllenhaal in Brokeback Mountain (2005)
JAKE GYLLENHAAL, Category: Best Supporting Actor, Movie: Brokeback Mountain, Year: 2006
(the indicated year corresponds to the nomination, which means the year following the film's release)
Which performance would you consider the best?
(Interestingly, the year with the most Oscar-nominations at the age of 26 was 2006)