Pilot / ... 3 episodes, 2019
Nemetes (9 episodes, 2012-2013)
SAS Captain Jim Roth / ... (7 episodes, 2008-2011)
Clay English / ... (2 episodes, 2001-2007)
Brendan Hogan (2 episodes, 2000)
Const. Evan 'Jonesy' Jones
Julius Caesar 5 episodes, 2018
Major Robert Ross 5 episodes, 2016
Dr. Ian Bickman 13 episodes, 2014
George Wilkerson 9 episodes, 2015