Who's ASA Nina Chapman from Chicago P.D.? Chapman is the Head of Complex Prosecutions and an Assistant State Attorney for the state of Illinois. She was introduced in Season 9, Ep

One Tree Hill and Chicago P.D. alum Sophia Bush is coming back to TV – joining the cast of Grey’s Anatomy for a major recurring role, Deadline reports. Find out when she’ll be on the show and what role she’ll play.

Sophia Bush is scrubbing into Grey’s Anatomy! Find out who she’s playing in the hit drama here! Grey’s Anatomy has a great habit of bringing in some good actors for recurring roles that often turn into regulars.