Sergeant Zellner is a fictional character portrayed by Rueben Grundy in the TV series Unbelievable.
They appear in 1 episodes out of a total of 8 aired
Episodes1
Episode 6
episode S1.E6 september 2019Grace takes a bold step to get close to a suspect, Elias the intern makes a crucial discovery, and Marie slips into increasingly reckless behavior.- 45min