There’s a new villain coming to the Arrowverse. Via Deadline, Richard Harmon has joined the cast of The Flash season 9 as Owen Mercer, the second Captain Boomerang. Harmon will recur throughout the season in multiple episodes.
The previous Captain Boomerang, Digger Harkness, was portrayed by Nick E. Tarabay in Arrow as one of the Suicide Squad. Despite his comic book…
