According to IGN, yet another DC character will be making an appearance in CW's Arrow in the 11th episode of the show. This time it will be Ted Gaynor. A top officer in the United States Marine Corps and former member of the Blackhawk Squadron in the comics, apparently in the show he will be introduced as..
"Diggle’s commanding officer from his first tour in Afghanistan, who now works as a bodyguard for Blackhawk Squad Protection Group in Starling City. As a series of armored truck robberies strike the city, Gaynor proves to be a polarizing figure between Oliver (Stephen Amell) and Diggle (David Ramsey)".
Browder will be best known to sci-fi fans for his roles in the likes of Farscape and Stargate SG-1, and he’s also guest starred on Chuck and Doctor Who.