Alfred McMahon (4 episodes, 2011)
Dr. Kazalian (1 episode, 2006)
Max Hamilton (3 episodes, 2008)
Ryan Sullivan / ... (7 episodes, 1998-2006)
Jones (9 episodes, 1998-2000)
Dr. Bennett (2 episodes, 1986)
'Davo' Davidson / ... (2 episodes, 1986-1988)
Frank Phillips (part II: 'Bush Schooling' (1905-1908))
John Loveday / ... (6 episodes, 1982-1984)