Chicago P.D.) Stella Maeve as Nadia Decotis (Crossing over with Chicago P.D.) Recurring cast Donal Logue as Lieutenant Declan Murphy Bronwyn Reed as Lucy Huston Robert John Burke as Internal Affairs Bureau Lieutenant Ed Tucker Peter Gallagher as Deputy Chief William Dodds Jefferson Mays as Medical Examiner Dr. Carl Rudnick Delaney Williams as Defense Attorney John Buchanan Peter Hermann as Defense Attorney Trevor Langan Michael Kostroff as Defense Attorney Evan Braun Jenna Stern as Judge Elana Barth Thedra Porter as Chantal Jackson Jamila Velazquez as Pilar Morenas Nikki M. James as Detective Gail Dunbar Myk Watford as Atlanta Police Department Captain Sam Reynolds Elizabeth Marvel as Defense Attorney Rita Calhoun Harry Hamlin as Atlanta Police Department Deputy Chief Charles Patton Aida Turturro as Judge Felicia Catano Charles Halford as Johnny "D" Drake Lili Taylor as Martha Thornhill Danika Yarosh as Ariel Thornhill Hoda Kotb as Herself Jessica Phillips as Assistant District Attorney Pippa Cox Stephen C. Bradbury as Judge Colin McNamara Steve Rosen as Defence Attorney Michael Guthrie Tabitha Holbert as Assistant District Attorney Rose Callier Ami Brabson as Judge Karyn Blake Sonia Manzano as Judge Gloria Pepitone Vincent Curatola as Judge Al Burtuccio Yvonna Kopacz-Wright as Dr. Darby Wilder Michael Mastro as Judge Serani Leslie Odom Jr. as Reverend Curtis Scott Caris Vujcec as Detective Louise Campesi Dashiell Eaves as Sergeant Kevin Donlan Guest stars Peter Scanavino joined, originally in a recurring capacity, as Detective Dominick "Sonny" Carisi Jr., beginning with the season premiere episode "Girls Disappeared". Detective Carisi is "going to come in [to SVU] and shake things up...a guy who maybe needs a little bit of refining". Starting with the fifth episode of the season, Scanavino was upgraded to a regular cast member. Scanavino previously appeared in the season fourteen episode "Monster's Legacy" as another character. Peter Gallagher joins this season, in a recurring capacity, as Deputy Chief William Dodds, the head of all the Special Victims Units in New York City. Teri Polo of the ABC Family series The Fosters guest stars in the second episode, "American Disgrace", as Cordelia. Polo previously appeared in the season ten episode "Confession" as another character. Stacy Keach, Henry Simmons and Sandy Duncan also guest star. Ron Rifkin returns to SVU portraying defense attorney Marvin Exley in an episode that aired in October, "Producer’s Backend". Exley represents Tensley (portrayed by Stevie Lynn Jones), a young Hollywood celebrity in conflict with