Anthony Quinn for Viva Zapata.
The nominees for Best Actor of 1956 were Yul Brynner for "The King and I"; James Dean (posthumously) for "Giant"; Kirk Douglas for "Lust for Life"; Rock Hudson for "Giant"; and Sir Laurence Olivier for "Richard III." The Oscar went to Brynner.
Rock Hudson.
Gary Hudson - actor - was born in 1956.
Tim Ryan - actor - died in 1956.
Jonathan Kydd - actor - was born in 1956.
Frank O'Donnell - actor - died in 1956.
Peter O'Brian - actor - was born in 1956.
Michael Corbett - actor - was born in 1956.
Only Yul Brynner held that distinction. He won the 1956 Best Actor Oscar for his performance in "The King and I." The only other cast member to win an Academy Award was James Coburn, who received the 1998 Best Supporting Actor Oscar for his work in "Affliction." On November 13, 2010, 95-year-old Eli Wallach received an honorary Oscar for career excellece.
Tom Irwin - actor - was born on 1956-06-01.
Michael Wright - actor - was born on 1956-04-30.