On the Arrow episode “Haunted,” the team is forced to deal with Sara Lance’s (Caity Lotz) escape from her big sister Laurel Lance’s (Katie Cassidy) apartment. Oliver Queen (Stephen Amell) asks his old friend, detective John Constantine, for help. Constantine has a good track record when it comes to handling supernatural spirits and helping people return to their real selves. Note: The character John Constantine was portrayed by Keanu Reeves in the 2005 film Constantine
John Constantine is portrayed by Matt Ryan, who starred in the cancelled NBC series Constantine. The Welsh-born actor is also known for his role as Mick Rawson in the TV series Criminal Minds: Suspect Behavior with Oscar Award winning Forest Whitaker and Janeane Garofalo. Arrow airs Wednesdays at 8pm on CW.
