Mark BlumMark Blum (May 14, 1950 - March 26, 2020) was an American actor in movies, on television and stage. He found success with a lead role as Gary Glass in the 1985 film Desperately Seeking Susan, which he followed up the next year with a supporting role as Richard Mason in Crocodile Dundee. He had a regFilmographyMozart in the Jungle (2014)I Don't Know How She Does It (2011)Shattered Glass (2003)Worth Winning (1989)The Presidio (1988)Blind Date (1987)Desperately Seeking Susan (1985)