It was announced earlier this week by Marvel Entertainment that Drea de Matteo (The Sopranos, Sons of Anarchy, Californication) would be joining the cast of Marvel's Agents of S.H.I.E.L.D. as a villain. She will portray Karla Fay Gideon who is described as "a Gifted woman with a grudge to bear against S.H.I.E.L.D. who joins forces with Skye's father."