Mariska Hargitay Sgt. Olivia Benson Actor Ice-T Detective Odafin "Fin" Tutuola Actor Dann Florek Capt. Donald Cragen Actor Richard Belzer Detective John Munch Actor Danny Pino Detective Nick Amaro Actor Kelli Giddish Detective Amanda Rollins Actor Raúl Esparza ADA Rafael Barba Guest Star Dean Winters Brian Cassidy Guest Star Michael Massee Michael 'Pa' Williams Guest Star Bill Irwin Dr. Peter Lindstrom Guest Star Pablo Schreiber William Lewis Guest Star Angela Christian April 'Ma' Hendricks Guest Star Agatha Nowicki Kayla 'Sissy' Greyland Guest Star Xander Franco Buddy Greyland Guest Star Dashiell Eaves Sgt. Kevin Donlan Guest Star Dick Wolf Executive Producer Ted Kotcheff Executive Producer Neal Baer Executive Producer Peter Jankowski Executive Producer Michael Slovis Director Warren Leight Writer Julie Martin Writer