Edward G. Robinson, former racketeer, goes legit in A Slight Case of Murder.
Bonus video! Raymond Burr goes all noirish in Desperate (I love the effect with the swinging light).
"There are countless horrible things happening all over the world and horrible people prospering, but we must never allow them to disturb our equanimity or deflect us from our sacred duty to sabotage and annoy them whenever possible." -Auberon Waugh