Recurring Guest Characters Fairuza Balk 3 guest appearances Carnie Wilson 2 guest appearances Vincent Curatola 2 guest appearances Karina Smirnoff 2 guest appearances Haylie Duff 2 guest appearances Vince Neil 2 guest appearances Ana Gasteyer 2 guest appearances Mia Tyler 2 guest appearances Joan Osborne 2 guest appearances Enrico Colantoni 2 guest appearances Anthony Michael Hall 2 guest appearances Joan Rivers 1 guest appearances David Carradine 1 guest appearances Scott Baio 1 guest appearances Teri Polo 1 guest appearances Sammy Hagar 1 guest appearances Greg Grunberg 1 guest appearances Debi Mazar 1 guest appearances Barry Williams 1 guest appearances Federico Castelluccio 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥