Sophia Bush and Patrick Flueger are joining the ranks of the Chicago PD.
The actress (One Tree Hill) and actor (The 4400) have been cast as series regulars on the Dick Wolf-produced Chicago Fire spinoff, with Bush coming on board as a member of the investigative unit with a mysterious past and Flueger portraying a rookie officer with an anger problem.
The news was broken by The Hollywood Reporter.
Chicago PD aired as a backdoor pilot this spring and its other regulars include Jon Seda and Jesse Lee Soffer. It will premiere in early 2014.