Acting Jonathan Gilmore Acting Sex, Death & The Hollywood Mystique Himself (as John Gilmore) 1999 The Last Days of Sharon Tate 1999 The Beach Boys and The Satan Self 1997 Shock Treatment A Young Mental Patient 1964 Five Weeks in a Balloon Chief Slave (uncredited) 1962 Voyage to the Bottom of the Sea Seaman George Young 1961 The Last Round-up Boy (uncredited) 1947 Agent-readable