Mark Deklin
Mark Deklin (born December 3, 1967) 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 "". He also was the voice of Warden in the video game "Tom Clancy's Rainbow Six Siege". Early life and education. Deklin was born on December 3, 1967 in Pittsburgh, Pennsylvania. He graduated from Thomas Jefferson High School in 1986. He holds a B.A.  in English and History from the Pennsylvania State University, an M.F.A. in acting from the University of Washington in Seattle, and is a certified member of the Society of American Fight Directors. Career. A classically-trained stage actor, Deklin has worked extensively on Broadway and off-Broadway. On television, he has had recurring roles as Dr. Matthew Shaw in the Fox series "Justice" from 2006 to 2007, as Elliott Mayer in the CBS sitcom "The Ex List" in 2008, as Stan Edwards in the CBS drama "Hawaii Five-O" from 2011 to 2012, as Joe Nazario in the NBC police  drama "Shades of Blue" in 2015, as Agent Cameron Davies in the TNT series "Rizzoli & Isles" in 2016, as Dr. William Landon in the TNT procedural "Major Crimes" in 2017, and as Roy in the Netflix comedy "Grace and Frankie" from 2018 to 2019. He has also had voice roles in several video games, including "Call of Duty 3", "", "", and "Halo Wars 2", and co-starred in the films "Riverworld", "Tarzan", "The Wish List", "Tides of War", "The Wedding Chapel", "Never Say Macbeth", "Switched for Christmas", "The Answer", and "Mini's First Time". Deklin starred in the Fox primetime drama  Lone Star as Trammell Thatcher, the ABC soapy comedy "GCB" as Blake Reilly, and the Lifetime comedy-drama "Devious Maids" as Nicholas Deering. He has also had a number of guest-starring roles in television series, including "Sex and the City", "Charmed", "Frasier", "", "Desperate Housewives", "Nip/Tuck", "Two and a Half Men", "Life On Mars", "The Mentalist", "Warehouse 13", "Hot in Cleveland", "Big Love", "Major Crimes", "Castle", "Criminal Minds", and "The Blacklist".