These famous people guest starred on "SBTB", the original one not including all the spin-offs:

Casey Kasem (three), Patrick Thomas O'Brien (five), Tori Spelling (three), Michael McManus, Patrika Darbo, Scott Wolf (twice), Patrick Muldoon (three), Christine Taylor, Soleil Moon Frye, and also Leanza Cornett, Denise Richards, and Casper Van Dien.:wave: