The Internet Movie Database has some of the following (credited as William Gregory Lee):

NCIS: Los Angeles – Blake Mayfield

• “Sans Voir” (airdate 05.15.12)

Femme Fatales – Jimmy

• “The White Flower” (airdate 06.03.11)

Justified [2011-2012] – Nick Mooney

• “Guy Walks into a Bar” (airdate 03.20.12)
• “Watching the Detectives” (airdate 03.06.12)
• “The Man Behind the Curtain” (airdate 02.28.12)
• “Bloody Harlan” (airdate 05.04.11)
• “Full Commitment” (airdate 04.20.11)
• “The Spoil” (airdate 03.30.11)

Bitch Slap [2009] – Hot Wire

Mercy Air [2008] – Noah Weaver

House of Fallen [2008] – Brooks

Hydra [2008] – Clarence Elkins

CSI:NY [2007] – Martin Boggs

• “Past Imperfect” (airdate 04.25.07)

Dismal [2007] – Bill Masterson

• filming July 2006 in Suffolk, Virginia

Las Vegas [2006] – Anniversary Boy/Scott

• “Bait and Switch” (airdate 01.02.06)

Navy NCIS: Naval Criminal Investigative Service [2005] – Metro Police Sgt. Keith Archer

• “Probie” (airdate 11.29.05)

Tripping Forward [2006] – Tripp

• in post production 2005

Mexican Sunrise [2006] – Wil

• in post production June 2005
• filmed in Texas (Austin and Del Rio)

Hell to Pay [2005] – Chance

• USA release August 2006

Sam’s Lake – Jesse

• filming began in September 2004

Nip/Tuck [2004] – Dave

• “Joan Rivers” – (airdate 10.05.04)

The Cabinet of Dr. Calagari [2006] – Joseph

• filmed between 12 July 2004 – 20 July 2004
• limited release 15 February 2005
• back in post-production 12 July 2005
• USA release January 2006

Dante’s Cove [2004] – Ambrosius

Cruel Intentions 3 [2004] – Assistant Registar

JAG [2003] – Lt. Dave Phelps

• “The Boast” – (airdate 11.21.03)

Run of the House [2003] – Justin

• “The Party”

In Enemy Hands [filmed in 2002] – Radar Operator

• working title: U-Boat
• to be released in 2004

Blood of Beasts [filmed in 2002] – Sven

• working title: Beauty and the Beast

JAG [2002] – Lt. Andrew Wick

• “Enemy Below” (airdate 05.21.02)

Wolves of Wallstreet [2002] – Jeff

Fits and Starts [2002] – Intense Boy-Man

Wheelmen [2002] – Andy

Dark Angel [2000-2001] – Zack

• “Some Assembly Required” (airdate 11.16.01)
• “… And Jesus Brought a Casserole” (airdate 05.22.01)
• “Meow” (airdate 05.15.01)
• “Hit a Sista Back” (airdate 05.08.01)
• “The Kidz are Aiight” (airdate 02.20.01)
• “Blah Blah Woof Woof” (airdate 12.12.00)
• “Cold Comfort” (airdate 11.28.00)
• “411 on the DL” (airdate 11.14.00)

V.I.P. [2001] – Kenny Farmer

• “21 Val Street” (2001-02 season premiere)

Baywatch Hawaii [2001] – Erik

• “The Stalker”

Xena Warrior Princess – Virgil

• “The Abyss” (2000)
• “Who’s Gurkhan?” (2000)
• “Heart of Darkness” (2000)
• “Motherhood” (2000)
• “Eve” (2000)
• “Livia” (2000)

Brutally Normal [2000] – Dan Riley

• “Mouth of Warm Roses”

Clueless [1999] – Wesley Hamilton

• “All Night Senior Party”

Wind on Water [1998 TV series] – Cole Connolly

Anything Once [1998 film short] – Mike

Beverly Hills 90210 [1998] – Chip, Club-Goer

• “Straight Shooter” (1998)

Rude Awakening [1998] – Paul

A Kiss So Deadly [1997 TV movie] – Adam

The Young and the Restless [1997] – Hutch

Guiding Light [1996] – Mike

The Young Indiana Jones Chronicles [1996]