Detective Inspector Johnson
Jack Nightingale (3 episodes, 1997)
D.C. Barnard / ... (4 episodes, 1992-1997)
Jeff Collier / ... (199 episodes, 1993-2011)
Scott Burnett / ... (18 episodes, 1991-2005)
DS Davey Higgins 20 episodes, 2015-2016
Mark Craig 3 episodes, 2016