John Constantine is getting some potential help this fall: NBC is adding DC Comics character Det. Jim Corrigan to its Constantine series.
The New Orleans homicide detective will be played by Irish actor Emmett Scanlan, who is known to U.K. audiences for his roles on In The Flesh and Hollyoaks , and recently received some global viewership for a minor riot-guard role in Guardians of the Galaxy.
Source:
Streaming Options