Gregory Peck appeared in a film directed and produced by William Wyler.
Gregory Peck . His performance as Atticus Finch in the 1962 film To Kill a Mockingbird earned him the Academy Award for Best Actor . Roman Holiday is a 1953 American romantic comedy film directed and produced by William Wyler . The Big Country is a 1958 American epic Western film directed by William Wyler and starring Gregory Peck , Jean Simmons , Carroll Baker , Charlton Heston and Burl Ives .