Steve Owen (13 episodes, 2008)
Lawson Blake (70 episodes, 2008-2011)
Larry Hamill (2 episodes, 2007)
Peter Johnson (19 episodes, 2001-2004)
Det. Snr. Const. Karl De Groot / ... (2 episodes, 2003-2004)
Detective George Newhouse (4 episodes, 2001)
John Doe 18 episodes, 2015-2019
Group Captain Lyle Compton
Xander Ivin 6 episodes, 2015
David McLeod 6 episodes, 2014
Ferris Hennessey (8 episodes, 2012)