John Gregg
45 credits
- A Stitch in Time
2022 Justin
- Fighting Season
2018 Governor
- Old School
2014 Felix
- Rake
2010
- Radio Pirates
2009 Willis
- Darwin's Brave New World
2009 Prof. Adam Sedgwick
- The View from Greenhaven
2008 Tobe
- Underbelly
2008 Justice Price
- Blue Water High
2005 Dr. Jones
- Black and White
2002 Rohan Rivett
- To End All Wars
2001 Camp Doctor Coates
- Grass Roots
2000 Morgan Bartok
- Farscape
1999 Talyn Lyczac
- Emmerdale: The Dingles Down Under
1997 John Gibson
- The Hostages
1997 Masters
- Roar
1997 Councillor #1
- Murder Call
1997 Major Alan Richter
- Ebbtide
1994 Chalmers
- Halifax f.p.
1994 Connolly O'Gorman
- Blue Heelers
1993
- Trouble in Paradise
1989 Seth
- Two Brothers Running
1988 Nelson
- Captain James Cook
1988 Joseph Banks
- Travelling North
1987 Jim
- Rafferty's Rules
1987 Baraclough
- The Flying Doctors
1986 Harry Lanford
- Burke & Wills
1985 Alfred Irwin
- Bootleg
1985 Brown
- Crime of the Decade
1984 Laurie Fletcher
- Bodyline
1984 Percy George Fender
- Heatwave
1982 Philip Lawson
- A Question of Guilt
1980 Bathurst
- The Oracle
1979
- Shoestring
1979 Jimmy Colefax
- The Girl Who Walked Quickly
1978 Everly
- Disraeli
1978 Lord Salisbury
- Doctor Who: The Ark in Space
1975 Lycett
- Dead of Night
1972 Partner
- Doomwatch
1970 Roger Halls
- Delta
1969 Jeff Mallow
- Paul Temple
1969
- Contrabandits
1967 Charles Keally
- Public Eye
1965 Kane
- Doctor Who
1963 Lycett
- Wednesday
Farmer
