Claim: Gregory Peck appeared in his first film in 1956.
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-.
The Keys of the Kingdom is a 1944 American film based on the 1941 novel The Keys of the Kingdom by A. J. Cronin.