Gregory Peck began acting in 1950.
He had also been nominated for an Oscar for the same category for The Keys of the Kingdom -LRB- 1944 -RRB- , The Yearling -LRB- 1946 -RRB- , Gentleman 's Agreement -LRB- 1947 -RRB- and Twelve O'Clock High -LRB- 1949 -RRB- .	The Keys of the Kingdom	The Keys of the Kingdom (film)	The Yearling	The Yearling (film)	Twelve O'Clock High	Twelve O'Clock High
