Mark Deklin is an American actor and fight coordinator. He starred in the Fox primetime drama Lone Star, the ABC comedy-drama GCB, the Lifetime comedy-drama Devious Maids, and in 2017 joined the ABC political drama Designated Survivor as Senator Jack Bowman. He voiced Deimos in the video game God of War: Ghost of Sparta. He also was the voice of Warden in the video game Tom Clancy's Rainbow Six Siege. Wikipedia