Edward M. "Teddy" Sears (born April 6, 1977) is an American television actor, best known for his roles on One Life to Live and the TNT series Raising the Bar, Patrick on the first season of FX anthology horror drama American Horror Story (retroactively titled Murder House), Dr. Austin Langham on the Showtime period drama series Masters of Sex, and DC Comics supervillain Hunter Zolomon / Zoom of the television series The Flash.