Briana Venskus-Vazquez (born August 19, 1987) is an American actress. Daughter of John Venskus and Josephine Vazquez.[1] She is best known for her roles as Agent Susan Vasquez on The CW series Supergirl (2015–2017), Beatrice on the AMC series The Walking Dead (2016–2020),[2] and Agent Piper on the ABC series Agents of S.H.I.E.L.D. (2016–2020).