Truth be told, it's difficult to actually rate Alfred Hitchcock's skills as an actor. Though he popped up in almost 40 films between 1926 and 1976, his preferred MO was as a cameo only—sitting next to a main character on a train or walking past another with a pair of fluffy dogs.

One thing is for sure: the Master of Suspense's blink-or-you'll-miss-'em pop-ups kept sharp-eyed audience members on their toes.