In Loco Parentis Carisi opens a police investigation when his niece reports a classmate for sexual assault, and Stone learns there are no perfect witnesses when it comes to sex crimes. Details Casts Title In Loco Parentis Genres Crime Drama Mystery Release Date 2018-03-07 Episode Runtime 00 Hours 43 Minutes Season Number 19 Episode Number 15 Production Companies Wolf Entertainment, Universal Television, Studios USA, Universal Media Studios Mariska Hargitay Olivia Benson Kelli Giddish Amanda Rollins Ice-T Odafin 'Fin' Tutuola Peter Scanavino Dominick 'Sonny' Carisi ? Raúl Esparza Rafael Barba