Special Guest Stars Mariska Hargitay as Sergeant Olivia Benson Ice-T as Detective Odafin "Fin" Tutuola Guest Stars Samuel Hunt as Craig "Mouse" Gurwitch Barbara Eve Harris as Commander Emma Crowley Eamonn Walker as Battalion Chief Wallace Boden Brian Tee as Dr. Ethan Choi Dallas Roberts as Greg Yates Co Starring Sean Michael Sullivan as Bomb Squad Tech Sullivan Carmen Roman as Susan (Williams) Baldwin Marley Haley as Little Girl Flavia Pallozzi as Nellie Carr Alan Cassman as Michael Williams Jennifer Lenius as Young Woman Kay Kron as Witness Amanda Catania as Witness' Friend Cassie Slater as Young Homeless Woman Uncredited Steve Zirnkilton as Opening Narration