Chicago PD fans are curious to know why Sophia Bush, who portrayed Erin Lindsay in the show, left after the Season 4 finale. Introduced in 2015, she is a detective who played a prominent role in ...

Sophia Bush describes Erin Lindsay as having "come from the street, so she already knows how all these people work." It's an element of the character that makes her stand out, and, in the hands of ...

Following her nine-year run on “One Tree Hill,” from 2003-2012, Bush starred on the NBC procedural “Chicago P.D.,” where she played Detective Erin Lindsay for 84 episodes, from 2014-2017.

Per Page Six, all signs are pointing to her time on Chicago P.D. as Erin Lindsay. Bush left the show abruptly in 2017 after four seasons, alleging a toxic work environment.

Bush, 42, notably portrayed Erin Lindsay in “Chicago P.D.” from 2014 to 2017 — leaving after Season 4 due to its alleged toxic work environment.

While Bush didn't name the show outright, she starred as Detective Erin Lindsay on Chicago P.D. from 2014 to 2017 following her time on Tree Hill, and the timeline appears to line up.

Bush, who played Erin Lindsay on the NBC police procedural from 2014 to 2017, said that the “next two years were like physical hell” before she finally walked away. Matt Dinerstein/NBC ...