Walter Slezak (3 May 1902 – 21 April 1983) also known as Walt Slezak was an Austrian television and movie actor who appeared in many movies. Slezak mostly played villains or thugs, most notably the German U-boat captain in Alfred Hitchcock's movie "Lifeboat" (1944), but occasionally he got to play lighter roles, as in "The Wonderful World" of the "Brothers Grimm" (1962). He also played a cheerfully corrupt and philosophical private detective in the film noir "Born to Kill" (1947) and appeared as Squire Trelawney in "Treasure Island" (1972). He is also known for playing the Clock King in "Batman" (1966). Slezak won a Tony Award in 1955.