Acting · b. 1939 · Clare, South Australia, Australia Jon Sidney Biography Jon Sidney (12 December 1939 - 16 January 1998) was an Australian actor. Acting To the Point of Death Sebastian Thornton 1995 The Lighthorsemen Grant 1987 Death of a Soldier General Douglas MacArthur 1986 The Dummerer Tinsley 1985 Snapshot Mr. Pluckett 1979 Agent-readable