Question: Who plays the title character of the British crime drama programme written by Neil Cross that is also credited to the English and Canadian filmmaker Stefan Schwartz?
Sentence (from "Stefan Schwartz"): Stefan Schwartz (born 1 May 1963) is an English and Canadian film and television director, writer and actor, most known for the feature film "Shooting Fish" and his work on the BBC's "Spooks" and "Luther", AMC's "The Walking Dead" and Showtime's "Dexter".
Relevant evidence: Yes