Law and Order SVU 18×10 “Motherly Love” Season 18 Episode 10 Promo – 400TH EPISODE DIRECTED BY MARISKA HARGITAY – A teenaged boy uses a rifle to stop an assault on his mother, but soon learns the target was someone he knows. Starring Mariska Hargitay (Lt. Olivia Benson), Ice T (Det. Odafin Tutuola), Kelli Giddish (Det. Amanda Rollins), Raúl Esparza (ADA Rafael Barba) and Peter Scanavino (Det. Sonny Carisi). Guest starring Sarah Wynter (Dr. Nicole Keller), Aaron Sanders (Luke Keller), Delaney Williams (Counselor John Buchanan), Gage Polchlopek (Ethan Miller), Jason Bowen (Det. Marcus Perry), Jenna Stern (Judge Elana Barth), Benton Greene (Charles Franklin), Daniel Cosgrove (Dr. Daniel Keller), Chantal Jean-Pierre (Regina Franklin), Olivia Sargent (Alexandra Handley) and Donald Dasg (Trey Franklin).