Richard Dreyfuss is joining Sci Fi Channel's Tin Man, playing a wizard known as Mystic Man, Reuters reports. This leaves the roles of Raw, a wolverine creature, and Cain, a former policeman with a scarred heart, to be cast in the Oz-some miniseries. Exclusive: Clancy Brown (Lost) will play Rudy Blue, "a fallen baseball idol whose all-star career is overshadowed by sketchy investments and sexual indescretions," on the April 9 episode of FX's The Riches (premiering Mar. 12). Big You-know-who has been replaced by... Cliff Clavin. Cheers' John Ratzenberger has claimed Vincent Pastore's spot on Dancing with the Stars, ABC announced on Friday.