Long appeared in early television roles in
Matlock Police,
Homicide,
Division 4 and
Bluey. Further television credits included
Cop Shop,
Prisoner (as Mick O'Brien),
Taurus Rising (as Sam Farrer),
Sons and Daughters (as Stephen Morrell) and
Richmond Hill (as Craig Connors). He appeared in several films including sci-fi thriller
The Chain Reaction (1980), gangster drama
Squizzy Taylor (1982), the multi-award winning
Careful, He Might Hear You (1983) and thriller
Dead Calm (1989), the latter alongside
Nicole Kidman,
Sam Neill and
Billy Zane. Long starred in numerous stage productions throughout his career, including
King Lear (1967),
A Midsummer Night’s Dream (1968),
Measure for Measure (1972) and
Hedda Gabler (1988), and the 1971
J. C. Williamson's /
Harry M. Miller Australian stage production of
Conduct Unbecoming playing Subaltern Millington. He also worked as a stage manager and lighting designer. He voiced a character in 1973 animated TV movie
The Gentlemen of Titipu. He also provided voiceover in television and radio commercials, documentaries and corporate videos, initially working for the
ABC. This became his main work, continuing through his illness until a few weeks before his death. ==Death==