Which actor starred in 'Butch Cassidy and the Sundance Kid' alongside Paul Newman?

Which actor starred in 'Rebel Without a Cause', 'East of Eden', and 'Giant'? Which actor starred in 'It's a Wonderful Life', 'Vertigo', and 'Mr. Smith Goes to Washington'? Which actor starred in 'North by Northwest', 'To Catch a Thief', and 'Charade'? Which actor played Atticus Finch in 'To Kill a Mockingbird' (1962)? Which actor starred in 'The Great Escape' and 'Bullitt'? Which actor starred in 'The Graduate', 'Tootsie', and 'Kramer vs. Kramer'? Which actor starred in 'Chinatown', 'As Good as It Gets', and 'One Flew Over the Cuckoo's Nest'? Which actor starred in 'The French Connection' as Popeye Doyle?