General Washington (1 episode, 2015)
Winfred Haverford (2 episodes, 2012)
Dr. Druckerberg (1 episode, 2012)
Thornton Aarons (1 episode, 2010)
Deputy DCI Joseph Nichols (3 episodes, 2014)
Jay Pound (6 episodes, 2009-2010)
Mayor William Cadigan Clarke (10 episodes, 2011)
Major Gavin Hart (8 episodes, 2009)
Dennis MacDonald (1 episode, 2006)
Cameron Tiernay (6 episodes, 2005-2006)
Charles Wentworth, Age 30
Dr. Hopper (2 episodes, 2000)
Dr. Evan Newman (24 episodes, 1998-1999)
Andrew McLaren (1 episode, 2000)
Matthew Lawson (credit only)
Neil Olsen 2 episodes, 2022
Mayor William Cadigan Clarke
Deputy DCI Joseph Nichols
Youth Correspondent 1 episode, 2016
Deputy DCI Joseph Nichols
Matthew Lawson 20 episodes, 2015-2016