John Phillips (1 episode, 2016)
Jeremy Rance 1 episode, 2016
Carlos / ... (5 episodes, 2013-2015)
Mark Payne (1 episode, 2013)
Duane Tate (1 episode, 2012)
Matthew Restin (1 episode, 2010)
Sam Morgan (2 episodes, 2008)
Dr. Ethan Copeland (3 episodes, 2008)
Joe Templeton Jr. (1 episode, 2001)
Lt. Gregory Vukovic (8 episodes, 2005)
Mark Tyner (1 episode, 1998)
Tate Harmon (52 episodes, 2007)
Nikolas Cassidine temporary replacement (unknown episodes)
Jordan Sinclair (5 episodes, 2004)