ER Twenty-One Guns (Season 12, Episode 22)
TV-14
TV Episode | 60 min | Drama, Romance

ER

Twenty-One Guns (Season 12, Episode 22)

TV-14

TV Episode | 60 min | Drama, Romance

Chaos reigns in the ER when two prisoners are brought in for treatment, but instead plot a violent escape. Their desperate actions place one doctor in harm's way, and forces one nurse to become a tool in their plan.

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Cast	+ Add Cast
36 cast members

Name	Known for
Goran Visnjic Luka Kovac Luka Kovac See fewer	The Girl with the Dragon Tattoo (2011)
Maura Tierney Abby Lockhart Abby Lockhart See fewer	ER (1994)
Mekhi Phifer Gregory Pratt Gregory Pratt See fewer	ER (1994)
Parminder Nagra Neela Rasgotra Neela Rasgotra See fewer	Bend It Like Beckham (2002)
Linda Cardellini Samantha Taggart Samantha Taggart See fewer	Scooby-Doo (2002)
Shane West Ray Barnett Ray Barnett See fewer	A Walk to Remember (2002)
Scott Grimes Archie Morris Archie Morris See fewer	American Dad! (2005)
Laura Innes Kerry Weaver Kerry Weaver See fewer	ER (1994)
Garret Dillahunt Steve Curtis Steve Curtis See fewer	12 Years a Slave (2013)
Ernie Hudson Colonel James Gallant Colonel James Gallant See fewer	Ghostbusters (1984)
Sheryl Lee Ralph Gloria Gallant Gloria Gallant See fewer	Oliver & Company (1988)
Natasha Gregson Wagner Mary Warner Mary Warner See fewer	Lost Highway (1997)
Michael Weston Rafe Hendricks Rafe Hendricks See fewer	Pathology (2008)
John Aylward Dr. Donald Anspaugh Dr. Donald Anspaugh See fewer	Armageddon (1998)
Abraham Benrubi Jerry Markovic Jerry Markovic See fewer	Christmas Bloody Christmas (2022)
Laura Cerón Nurse Chuny Marquez Nurse Chuny Marquez See fewer	ER (1994)
Yvette Freeman Nurse Haleh Adams Nurse Haleh Adams See fewer	ER (1994)
Montae Russell Dwight Zadro (as Monté Russell) Dwight Zadro (as Monté Russell) See fewer	Something for Nothing (2004)
Phyllis Applegate First Old Lady First Old Lady See fewer	Big Momma's House (2000)
Skyler Gisondo Timmy Jankowski Timmy Jankowski See fewer	Booksmart (2019)
Tim Griffin Captain John Evans Captain John Evans See fewer	The Bourne Supremacy (2004)
Dominic Janes Alex Taggart Alex Taggart See fewer	Wild Hogs (2007)
Connie Sawyer Second Old Lady Second Old Lady See fewer	Dumb and Dumber (1994)
Lyn Alicia Henderson Pamela Olbes (as Lynn Alicia Henderson) Pamela Olbes (as Lynn Alicia Henderson) See fewer	ER (1994)
Dane Farwell Hospital Police Officer Hospital Police Officer See fewer	Minority Report (2002)
Royce Herron Sveta Sveta See fewer	Mighty Morphin Power Rangers (1993)
Louis Iacoviello Officer Rovner Officer Rovner See fewer	Non-Stop to Comic-Con (2016)
Brian Lester Brian Dumar Brian Dumar See fewer	American Pie 2 (2001)
Keith L. Lewis Bystander Bystander See fewer	ER (1994)
Philip Newby Mike Mike See fewer	The Poughkeepsie Tapes (2007)
Fred Saldone Stetson Stetson See fewer	Desperate Housewives (2004)
Christian Svensson Sheriff Pohler Sheriff Pohler See fewer	Quarantine (2008)
Paul Webster Sheriff Radford Sheriff Radford See fewer	Joey (2004)
David Di Brienza X-Ray Tech (as David DiBrienza) X-Ray Tech (as David DiBrienza) See fewer	ER (1994)
Monte Hunter Policeman (uncredited) Policeman (uncredited) See fewer	Scene 12-My Husband is the Devil (2023)
Stephanie Norwood Mom (uncredited) Mom (uncredited) See fewer	One Came Home (2010)