Claim: Gregory Peck began acting in 1950.
Evidence: 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-.