William Patrick Muldoon III (September 27, 1968 — April 19, 2026) was an American actor of Irish and Croatian ancestry. His parents' artistic backgrounds, in painting, writing, and music, induced the same appetites in their son, as well as athletics. He played college football for the U.S.C. Trojans and has two Rose Bowl rings.

Filmography

• 2026Dirty Hands — Richie Denton
• 2025Double Scoop — Everett
• 2024Murder at Hollow Creek — Thomas Bennett
• 2023Marlowe — Richard Cavendish, Executive Producer
• 2023Stay at Home — David
• 2023The Quest for Tom Sawyer's Gold — AJ Harrison
• 2022Dakota — Sheriff Danforth
• 2022Junkyard Dogs — Shane DeSoto
• 2021Deadlock — Mack
• 2021Magic in Mount Holly — Steve Palmer
• 2021Vanquish — Agent Monroe
• 2020Arkansas — Joe, Executive Producer
• 2020The Comeback Trail — Frank Pierce
• 2020TimeCrafters: The Treasure of Pirate's Cove — Mr. Dare
• 2019Bernie the Dolphin 2 — Bob Ryan
• 2019My Adventures with Santa — Josh
• 2018A Dog and Pony Show — Rusty Wiggins
• 2018A Tale of Two Coreys — Bob Feldman
• 2018Alpha Wolf — Reed
• 2018Bernie the Dolphin — Bob Ryan
• 2018Runnin' from my Roots — Seth Ingram
• 2017American Satan — SS Singer
• 2017Boyfriend Killer — Charles Durro
• 2017Robo-Dog: Airborne — Tom Austin
• 2017Saving Christmas — Sammy
• 2016Fishes 'n Loaves: Heaven Sent — Pastor Randy Michaels
• 2016His Secret Past — Charles
• 2016Little Dead Rotting Hood — Deputy Henry
• 2016My Best Friend — Allen
• 2015A Christmas Reunion — Jack Evans, Co-Producer
• 2015A Dogwalker's Christmas Tale — Byron Paxton
• 2015A Horse Tale — Michael
• 2015Badge of Honor — Aaron, Producer
• 2015Patient Killer — Derek Barris
• 2015Robo-Dog — Tom Austin
• 2015The Dog Who Saved Summer — Fred Stein
• 2014Christmas in Palm Springs — Joe Brady
• 2014Fatal Acquittal — Scott
• 2014Finders Keepers — Jonathan Simon
• 2014The Dog Who Saved Easter — Fred Stein
• 2013Deadly Revenge — Jack
• 2013Holiday Road Trip — Davis
• 2013In the Dark — Dan Lear
• 2013Spiders — Jason
• 2012All About Christmas Eve — Tino
• 2011Born to Ride — Alex
• 2011Last Will — Joseph Emery
• 2010Repo — Jeff
• 2010The 7 Adventures of Sinbad — Adrian Sinbad
• 2010Turbulent Skies — Charles
• 2009The Steam Experiment — Christopher
• 2008Broken Angel
• 2008Christmas Town — Kevin O'Reilly
• 2007Ice Spiders — Dan 'Dash' Dashiell
• 2007Point of Entry — Caleb Theroux
• 2006Military Intelligence and You!
• 2006Miracle Dogs Too — Dr. Jeff
• 2004A Boyfriend for Christmas — Ryan Hayes
• 2003Heart of America — Ryan Kirkland
• 2002Bad Karma — Dr. Trey Campbell
• 2002Project Viper — Mike Connors
• 2002Whacked! — Mark Steward
• 2001Blackwoods — Matt Sullivan
• 2000Chain of Command — Special Agent Michael Connelly
• 2000Final Ascent — Viggo
• 1999Red Team — Jason Chandler
• 1999Stigmata — Steven
• 1998Black Cat Run — Johnny Del Grissom
• 1998The Second Arrival — Jack Addison
• 1998Wicked — Lawson Smith
• 1997Starship Troopers — Zander Barcalow
• 1996Deadly Pursuits — Tim Faulkner
• E! True Hollywood Story
• 1994Winter Heat — Austin Reed
• 1993Rage and Honor II: Hostile Takeover — Tommy Andrews
• Melrose Place — Richard Hart
• Silk Stalkings — Charles Lantman
• Saved by the Bell — Jeffrey Hunter
• Days of Our Lives — Austin Reed
• Driveshift — Dino
• The Corner — Detective Cole

Appearances as themselves (4)

• Celebrity Ghost Stories — Self
• The Reichen Show — Self - Guest
• 2002Starship Troopers: Know Your Foe — Self
• The Rosie O'Donnell Show — Self