Mariska Hargitay Sgt. Olivia Benson Actor Ice-T Detective Odafin "Fin" Tutuola Actor Kelli Giddish Detective Amanda Rollins Actor Raúl Esparza ADA Rafael Barba Actor Peter Scanavino Detective Sonny Carisi Actor Dallas Roberts Greg Yates Guest Star Tamara Tunie Dr. Melanie Warner Guest Star Mary Bacon Susie Frain Guest Star Jefferson Mays Dr. Carl Rudnick Guest Star Elizabeth Marvel Rita Calhoun Guest Star Cody Lindquist Brooke Groves Norwalk , Rachel Groves Guest Star Bronwyn Reed Lucy Huston Guest Star Karen Tsen Lee DNA Tech Susan Chung Guest Star Purva Bedi Sarita Charma Guest Star Stephen Bradbury Judge Colin McNamara Guest Star Dick Wolf Executive Producer Ted Kotcheff Executive Producer Neal Baer Executive Producer Peter Jankowski Executive Producer Jean de Segonzac Director Warren Leight Writer Julie Martin Writer Kevin Fox Writer Brianna Yellen Writer