Meredith Grey she ain't! Forget what you know about Spiro from My Boys. As the titular Mob Doctor, young surgeon Dr. Grace Devlin juggles her budding professional career and her side job — paying off her brother's gambling debts by doing medical work for the Chicago mafia. This will be the actress' second brush with danger: She did a guest arc on Dexter last season.
Photo Credits: Randy Shropshire/Getty Images; Sonja Flemming, CBS; Kevin Mazur, Getty Images for TNT; Michael Gladis; HBO; Gabe Ginsberg, WireImage; Frazer Harrison/Getty Images; Jenny Anderson/WireImage; Paul Archuleta, FilmMagic