Robert Downey Jr. on setRobin WiliamsJoan RiversWhoopi GoldbergWoody AllenPatrick EwingMuhammed AliDavid LettermanConan O’BrienBurt ReynoldsArnoldWillie NelsonGeorge HamiltonGlen CloseJeff GoldblumKurt RussellMarie OsmondDustin HoffmanBette MidlerRegis PhilbinAl PacinoBing Crosby with Joe FranklinTony BennettTony OrlandoTony Curtis on Joe Franklin ShowJoe Walsh (the Eagles) with Paul ShafferJoe PiscopoJames Woods on the setJackie MasonDustin Hoffman, Warren Beatty on the setErnie AnastosBilly Crystal