Dr. Marks is a fictional character portrayed by Greg Benson in the TV series 9-1-1: Lone Star.
They appear in 1 episodes out of a total of 60 aired so far
Episodes1
Donors
episode S4.E15 may 2023Grace and Carlos work together when they suspect a young woman was a victim of a black market organ trafficking ring; Owen's brother Robert comes to visit and meet T.K., but surprises Owen with news that can affect the Strand family.