Some famous actors who played Satan...
.The DEVIL's CASTLE (1896) with George (A TRIP TO THE MOON) Melies.
.SATAN (1920) with Conrad Veidt
.HAXAN aka WITCHCRAFT THROUGH THE AGES (1922) with director Benjemen Christensen playing Satan.
.FAUST (1926) with future Nazi Emil Jannings
.the DEVIL AND DANIEL WEBSTER (1941) with Walter Huston as Mr.Scratch
.HEAVEN CAN WAIT (1943) with Laird Cregar
.the STORY OF MANKIND (1957) -Vincent Price-of course!
.the PRIVATE LIVES OF ADAM AND EVE (1960)-Mickey Rooney-?!-nah-I can see that...
.the DEVILS MESSENGER (1961) Lon Chaney Jr!
.INVOCATION OF MY DEMON BROTHER (1969) alternately played by Church of Satan founder Anton LaVey and future Manson killer Bobby Beausoliel
.VENGANCE OF THE ZOMBIES (1973) Paul Naschy!
Several episodes of Fantasy Island. :D
With Roddy McDowall!