Mark Holloway is a fictional character portrayed by Wade Williams in the TV series Grimm.
In the first episode they appeared in, titled Star-Crossed (season 5), they were 54 years old.
They appear in 1 episodes out of a total of 123 aired
Episodes1
Star-Crossed
episode S5.E9 february 2016Nick and Hank race against time to prevent the completion of an ancient Wesen ritual that requires seven sacrificial murders. Meisner, Trubel, and Eve track a suspected Black Claw agent's arrival in Portland.