On Blue Bloods, while New York City detectives Danny Reagan (Donnie Wahlberg) and his partner Maria Baez (Marisa Ramirez) try to track down a serial killer, Danny’s father, Police Commissioner Frank Reagan (Tom Selleck) tries to put out a political fire. Katherine Tucker, a mayoral candidate accuses the commissioner of secretly investigating her husband.
Katherine Tucker is portrayed by Mary Stuart Masterson. She’s best known for her roles in the films Fried Green Tomatoes, Benny & Joon, and Some Kind of Wonderful. Fun facts about Masterson: The New York native started acting before the age of ten when she appeared in the 1975 film, The Stepford Wives, with her father Peter Masterson (cousin of writer Horton Foote). She’s married to actor Jeremy Davidson (Chase Moran on Army Wives). Blue Bloods airs Fridays at 10pm on CBS.