In the Scorpion episode 'Keep It in Check, Mate', while Walter (Elyse Gabel) and Sylvester (Ari Stidham) go undercover as competitors at an international-chess competition, Happy Quinn (Jadyn Wong) sees her father Patrick, a recovering alcoholic who owns an auto mechanic shop.
Patrick Quinn is portrayed by Jamie McShane. He’s known for his roles on Murder in the First (M.E. Justin Burnside), Bloodline (Eric O’Bannon), Fear the Walking Dead (Lt. Moyers), The Fosters (Donald Jacob), Southland (Sgt. Terry Hill), and Sons of Anarchy (Cameron Hayes), among others. McShane is also recognized for his roles in two Ben Affleck films Gone Girl (Donnelly) and Argo (William J. Daughery). Scorpion airs Mondays at 10pm on CBS.Most INTERESTING FINDS on Amazon]