Ertha Kitt and Julie Newmar (both played Catwoman) are still alive. Zsa Zsa Gabor is still alive (although in very bad shape), she played Minerva. Also still alive are Falseface (Malachi Throne), Shelly Winters (Ma Parker), Van Johnson (The Minstrel), Eli Wallach (Mr. Freeze #3), Barbara Rush (Nora Clavicle), Cliff Robertson (Shame), and Joan Collins (The Siren).
