Kirk Acevedo Miguel Alvarez Actor Adewale Akinnuoye-Agbaje Simon Adebisi Actor Ernie Hudson Warden Leo Glynn Actor Terry Kinney Tim McManus Actor Rita Moreno Sister Peter Marie Reimondo Actor Harold Perrineau Augustus Hill Actor J.K. Simmons Vern Schillinger Actor Lee Tergesen Tobias "Toby" Beecher Actor Eamonn Walker Kareem Said Actor Dean Winters Ryan O'Reily Actor Kathryn Erbe Shirley Bellinger Guest Star Luis Guzmán Raoul 'El Cid' Hernandez Guest Star Christopher Meloni Chris Keller Guest Star George Morfogen Bob Rebadow Guest Star Austin Pendleton William Giles Guest Star Luna Lauren Velez Dr. Gloria Nathan Guest Star BD Wong Father Ray Mukada Guest Star Lothaire Bluteau Guillaume Tarrant Guest Star Philip Casnoff Nikolai Stanislofsky Guest Star Tom Madirosian Agamemnon Busmalis Guest Star Kristin Rohde Officer Claire Howell Guest Star J.D. Williams Kenny 'Bricks' Wangler Guest Star Scott William Winters Cyril O'Reily Guest Star Lance Reddick Desmond Mobay Guest Star Chuck Zito Chucky Pancamo Guest Star Barry Levinson Executive Producer Tom Fontana Executive Producer, Writer Adam Bernstein Director