Send In the Clowns When a student disappears during a school trip to New York City, the cops race to find a mysterious masked man. Meanwhile, Fin and Stone both get visits from family. Details Casts Title Send In the Clowns Genres Crime Drama Mystery Release Date 2018-03-21 Episode Runtime 00 Hours 43 Minutes Season Number 19 Episode Number 17 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