Amy Morton stars as Desk Sgt. Trudy Platt, a tough-as-nails desk sergeant on the NBC drama “Chicago P.D.”

Morton is an actress, director and artistic associate of Steppenwolf Theatre in Chicago.  As an actress, she has appeared in more than 30 productions for the theater and has appeared on Broadway in “Who’s Afraid of Virginia Woolf” and “August: Osage County” (receiving Tony and Drama Desk nominations for best actress in both productions), as well as “One Flew Over the Cuckoo’s Nest.”

Film credits include “Up in the Air,” “The Dilemma,” “Rookie of the Year,” “8MM,” “Fal...