Gale Harold, currently doing his darndest to crack a labyrinthine mystery on Fox's freshman thriller Vanished, is joining Carla Gugino and Blythe Danner for the off-Broadway revival of Tennessee Williams' Suddenly Last Summer, starting previews Oct. 20, reports. <PLAYING DUMB> Gee, how will Gale ever juggle a New York City stage gig and his front-and-center role on Vanished? </PLAYING DUMB>