Cast & creator
Gregory Alan Williams
Best known for Law & Order: Special Victims Unit, Castle, NCIS: Los Angeles
Gregory Alan Williams (born June 12, 1956) is an American actor and author. He is best known for portraying LAPD Officer Garner Ellerbee in Baywatch. From 2011 until 2013, Williams portrayed the role of Coach Pat Purnell in the USA Network series Necessary Roughness.
Also known as: Gregalan Williams, Greg Allan Williams, Greg Alan Williams, G. Williams, G. Travis Williams
98
film credits
38
television credits
130
1984–2026 · acting roles
6.3
average across scored titles
Signature credits
Known for
Across film & television
Filmography (136)
Showing 136 of 136 credits
Law & Order: Special Victims Unit
Detective Folkner
1999
Castle
Jim Van-Eps
2009
NCIS: Los Angeles
Vendor Phil
2009
Chicago Med
Bert Goodwin
2015
The Sopranos
Reverend James Jr.
1999
The West Wing
Robbie Mosley
1999
One Tree Hill
Chuck
2003
Monk
Sorenson
2002
Murder, She Wrote
Lt. Paul Bragg
1984
The Practice
District Attorney
1997
Crossing Jordan
U.S. Army Chaplain
2001
The Resident
Dr. Peterson
2018
Boston Legal
John Zenawi
2004
Baywatch
Garner Ellerbee
1989
Everwood
James Cleveland
2002
MacGyver
Julian Halsey
2016
Army Wives
Lt. Col. Wallace
2007
Boston Public
Jason Anderson
2000
Will Trent
Drummond Moncrief
2023
The District
Clive Rogers
2000
Drop Dead Diva
Judge Warren Libby
2009
Aqua Teen Hunger Force
Freedom Cobra (voice)
2000
The Fresh Prince of Bel-Air
Security Guard
1990
The Righteous Gemstones
Martin Imari
2019
Powers
Waldo Pilgrim
2015
Greenleaf
Mac
2016
Terminator Genisys
Detective Harding
2015
Hidden Figures
Marion Smithson
2016
9-1-1: Nashville
Station Chief Harold Foster
2025
Manhunt
Judge Garland Burrell
2017
Dream On
Anchorman Terry
1990
Baywatch Nights
Garner Ellerbee
1995
Secrets and Lies
Kevin Williams
2015
The Accountant
Treasury Secretary
2016
Swamp Thing
Mayor Riley
2019
Being Mary Jane
Mark's Father
2013
The Banker
Britton Garrett
2020
Remember the Titans
Coach Paul 'Doc' Hines
2000
Civil Wars
Ed Marsh
1991
Finding Carter
Captain Moss
2014
Old School
Therapist
2003
Geostorm
General Montgraff
2017
Billy Lynn's Long Halftime Walk
Raise n' Praise Preacher
2016
Miracles from Heaven
Dr. Joe Hester
2016
Brightburn
Sheriff Deever
2019
Past Life
Eli Parson
2010
In the Line of Fire
Matt Wilder
1993
I See You
Detective Spitzky
2019
Game of Silence
Aaron Epps
2016
The Collector
Sheriff
2009
Above the Law
FBI Agent Halloran
1988
Be Cool
Darryl
2005
Major League
Bull Pen Guard
1989
Almost Christmas
Pastor Browning
2016
Mama Flora's Family
Charlie (1941)
1998
90 Minutes in Heaven
Therapy Doctor
2015
MacGruber
Minister
2010
The Package
Col. Woods
1989
Ruth & Boaz
Eli
2025
Project: ALF
Police Officer
1996
Misconduct
Richard Hill
2016
Million Dollar Arm
Doug
2014
Superman/Batman: Apocalypse
Terrified Longshoreman (voice)
2010
A Question of Faith
Farnsworth Newman
2017
Stomp the Yard 2: Homecoming
Dr. David Young
2010
God's Not Dead: A Light in Darkness
Reverend Roland Dial
2018
The Lost Valentine
Chaplain Richard Brady
2011Evil Genius
2026
W.
Evangelical Minister
2008
No One Would Tell
Detective Anderson
1996
Terry McMillan Presents: Preach, Pray, Love
Pastor McCabe
2025
Heart of the Country
Yates
2013
County Line: No Fear
Clifford Mullins
2022
Christmas Cupid
Larry
2010
Mountain Top
Lamar Cochran
2017
Hero
Kent
2014
All Saints
Bishop Eldon Thompson
2017
Sons 2 the Grave
Coach Sam Reardon
2022
Locusts
General Miller
2005
Blood Done Sign My Name
Dr. Samuel Proctor
2010
Christmas in the Smokies
Bud Walker
2015
A Father's Legacy
Robby
2021
My Other Mother
Abner
2014
Bad Girl
Deacon Bacon
2016
Dog Days of Summer
Sheriff Lem Baker
2007
The Warrant
Tucker Macready
2020
Preacher's Kid
Bishop King
2010
My Brother's Keeper
Pops
2021
Cat Run 2
Ray Boudreaux
2014
The World We Make
Thomas Bishop
2019
Karen
Charles Wright
2021
Marry Us for Christmas
Donald
2014
Like a Country Song
Reggie
2014
Dying to Belong
Carl Ridgeley
1997
The Prodigal Experience: Reflections on a Story
Self
2010
Legal Action
Ben
2018
Making a Case for Murder
Charlie Brasher
1989
The Heir
2026
Stag
Taylor Rundgren
1997
The Disruptors
Steve Russell
2024God with Us
Dr. Amos
2026
Hornet's Nest
Ron Brewster
2012
Reunion
Willie James
2023Reunion
Director
2023Reunion
Writer
2023Reunion
Executive Producer
2023
Created Equal
Judge Watford
2017
Birdie
Director
2020
4 Minutes
Carl
2009
A Baby for Christmas
Donald
2015
Falling in Love Again
Mr. Owens
2018
The Sin Seer
Clarence Ricard
2015
Dirty Laundry
Percy
2006
Good Intentions
Buck
2010
To Hell and Back
2014
Mutant Vampire Zombies from the 'Hood!
Dr. Reginald Monte
2010
Acts of Betrayal
Beau Morelli
1997
Jimmy
Coach Sellers
2013
My Perfect Wedding
James Sinclair
2022
The Beat
Mr. Bernard
2005
Warrior Road
Professor
2017
Chandler Christmas Getaway
Donald
2018
Somebody's Child
Petey
2012
Slaw
Commissioner Kelly
2017
Unrequited
Mr. Williams
2010
Grapes on a Vine
Bob Hayes
2008
The Games in Black & White
Citizen of Atlanta
2025
Freshman Year
Professor Thompson
2019
Merry Christmas, Baby
Donald
2016
The Last Adam
Pastor Bailey
2006
Paw Paw and Dayja
Director
Between Sisters
Franklin
2013
Christmas Holidate
Nick Harper
2023Christmas Holidate
Director
2023
Slice
Captain Kirk
Slice 2
Captain Kirk