Ed Asner and Lily Tomlin (huge stars) were in HTGSC.
John Finn (Michael Kritschgau)is in Cold Case now. Jesse Ventura in Jose Chung's. Minnie Driver had a cameo in Hollywood AD - and Tea Leoni and Garry Shandling.
And we can't forget Princess Bride'sWestley - Cary Elwes - as Brad Follmer.
One of the girls in Syzygy played the older sister Laurie on That 70s Show.