Green in the next chapter of the "Blue Bloods" story.Boston P.D. has found its new Superintendent.Psych star Maggie Lawson is that latest addition to the growing cast of Boston Blue, CBS' planned spinoff of Blue Bloods.

Maggie Lawson, best known for her role as Detective Juliet “Jules” O’Hara on the USA Network dramedy, is once again playing a cop on Boston Blue. The actress has been cast as Sarah Silver, the superintendent for the Boston Police Department. She is “well aware of the tightrope she can walk sometimes between her job and her family,” Variety reports,