Javier Bardem
This is his fourth nomination and third in this category. He was nominated for his leading roles in Before Night Falls (2000) and Biutiful (2010) and won an Oscar for his supporting role in No Country for Old Men (2007).
Bardem and Penélope Cruz are the sixth married couple to be nominated for acting in the same year. Previous nominees were Lynn Fontanne and Alfred Lunt, 1931/32; Frank Sinatra and Ava Gardner, 1953 (in separate films); Elsa Lanchester and Charles Laughton, 1957; Rex Harrison and Rachel Roberts, 1963 (in separate films); and Richard Burton and Elizabeth Taylor, 1966.