Gray Matter - Cast

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52 cast members

Name	Known for
Adewale Akinnuoye-Agbaje Simon Adebisi Simon Adebisi See fewer	Farming (2018)
Ernie Hudson Warden Leo Glynn Warden Leo Glynn See fewer	Ghostbusters (1984)
Terry Kinney Tim McManus Tim McManus See fewer	Billions (2016)
Rita Moreno Sister Peter Marie Reimondo Sister Peter Marie Reimondo See fewer	West Side Story (1961)
Harold Perrineau Augustus Hill Augustus Hill See fewer	Romeo + Juliet (1996)
J.K. Simmons Vern Schillinger Vern Schillinger See fewer	Whiplash (2014)
Lee Tergesen Tobias Beecher Tobias Beecher See fewer	Oz (1997)
Eamonn Walker Kareem Said Kareem Said See fewer	Oz (1997)
Dean Winters Ryan O'Reily Ryan O'Reily See fewer	John Wick (2014)
Robert John Burke Special Agent Pierce Taylor Special Agent Pierce Taylor See fewer	RoboCop 3 (1993)
Reg E. Cathey Martin Querns Martin Querns See fewer	Fantastic Four (2015)
Jonathan Demme Commercial Director Commercial Director See fewer	The Silence of the Lambs (1991)
Zeljko Ivanek Governor James Devlin Governor James Devlin See fewer	Seven Psychopaths (2012)
David Johansen Eli Zabitz Eli Zabitz See fewer	Scrooged (1988)
Christopher Meloni Chris Keller Chris Keller See fewer	Man of Steel (2013)
George Morfogen Bob Rebadow Bob Rebadow See fewer	V (1983)
Luna Lauren Velez Dr. Gloria Nathan (as Lauren Vélez) Dr. Gloria Nathan (as Lauren Vélez) See fewer	Spider-Man: Across the Spider-Verse (2023)
BD Wong Father Ray Mukada Father Ray Mukada See fewer	Jurassic Park (1993)
Granville Adams Zahir Arif Zahir Arif See fewer	Oz (1997)
Charles Busch Nat Ginzburg Nat Ginzburg See fewer	Die, Mommie, Die! (2003)
Philip Casnoff Nikolai Stanislofsky Nikolai Stanislofsky See fewer	Strong Medicine (2000)
Robert Clohessy Officer Sean Murphy Officer Sean Murphy See fewer	The Avengers (2012)
Erik King Moses Deyell Moses Deyell See fewer	Dexter (2006)
Tom Mardirosian Agamemnon Busmalis Agamemnon Busmalis See fewer	Trading Places (1983)
Craig muMs Grant Poet (as muMs) Poet (as muMs) See fewer	Dark Water (2005)
Harry O'Reilly Det. Bruno Goergen Det. Bruno Goergen See fewer	Reality Bites (1994)
Lance Reddick Desmond Mobay Desmond Mobay See fewer	John Wick (2014)
Kristin Rohde Officer Claire Howell Officer Claire Howell See fewer	Homicide: Life on the Street (1993)
Scott William Winters Cyril O'Reily Cyril O'Reily See fewer	Good Will Hunting (1997)
David Zayas Enrique Morales Enrique Morales See fewer	Skyline (2010)
Edward Herrmann Harrison Beecher Harrison Beecher See fewer	Overboard (1987)
Timothy L. Brown Officer Jason Armstrong Officer Jason Armstrong See fewer	Oz (1997)
Dylan Chalfy Patrick Keenan Patrick Keenan See fewer	Oz (1997)
Carl DiMaggio Officer Len Lopresti Officer Len Lopresti See fewer	Oz (1997)
Sean Dugan Timmy Kirk Timmy Kirk See fewer	The Report (I) (2019)
Todd Etelson Mario Seggio Mario Seggio See fewer	Marci X (2003)
Cyrus Farmer Officer Adrian Johnson Officer Adrian Johnson See fewer	Notorious (2009)
Gano Grills Raymond 'Mondo' Browne Raymond 'Mondo' Browne See fewer	Hannibal (2001)
Pamela Isaacs Mary Glynn Mary Glynn See fewer	Swimfan (2002)
Lord Jamar Kevin 'Supreme Allah' Ketchum Kevin 'Supreme Allah' Ketchum See fewer	Boiler Room (2000)
Stephanie Pope Kina Spaite Kina Spaite See fewer	Compassionate Release (2020)
Michael Quill Mark Miles Mark Miles See fewer	Malibu's Most Wanted (2003)
R.E. Rodgers James Robson James Robson See fewer	Oz (1997)
Otto Sanchez Chico Guerra Chico Guerra See fewer	Terminator Genisys (2015)
Philip Scozzarella Officer Joseph Mineo (as Philip V. Scozzarella) Officer Joseph Mineo (as Philip V. Scozzarella) See fewer	Oz (1997)
Evan Seinfeld Jaz Hoyt Jaz Hoyt See fewer	Oz (1997)
Jacques C. Smith Leroy Tidd (as Jacques Smith) Leroy Tidd (as Jacques Smith) See fewer	Oz (1997)
Chuck Zito Chucky Pancamo Chucky Pancamo See fewer	Homefront (I) (2013)
Frank Bonsangue Sicilian Crew (uncredited) Sicilian Crew (uncredited) See fewer	I Am Legend (2007)
Charles S. Dutton Alvah Case (archive footage) (uncredited) Alvah Case (archive footage) (uncredited) See fewer	Gothika (2003)
Edie Falco Officer Diane Whittlesey (voice) (uncredited) Officer Diane Whittlesey (voice) (uncredited) See fewer	The Sopranos (1999)
Steven Wishnoff Tony Masters (uncredited) Tony Masters (uncredited) See fewer	Oz (1997)