Nick Gehlfuss

as Joel Fletcher

as Bill Goodman (14 episodes)

as Gabe

as Dr. Will Halstead (165 episodes)

as Glenn Seaborg (1 episode)

as Bruce Johnston

as Thomas Galen (1 episode)

as Mark Strauss (1 episode)

as Will Halstead (10 episodes)

as Will Halstead (21 episodes)

as Ross Kessler (4 episodes)

as Cameron Maddox (3 episodes)

as Jack Hughes (1 episode)

as Robbie Pratt (6 episodes)

as Martinson Radio

as Jack Roberts (1 episode)

as Randy Dillard (1 episode)

as Jesse (1 episode)

as Sergeant Joe Corey (1 episode)

as Sean (1 episode)