Joshua Regnall Stewart was born on February 6, 1977, in Diana, West Virginia.
He is an American actor known for playing Detective William LaMontagne Jr. on Criminal Minds.
Who is Josh Stewart Actor?
Josh Stewart is an American actor, director, and writer with dozens of film and television credits. He first broke through playing Officer Brendan Finney in the final season of NBC’s Third Watch.

Stewart went on to lead the FX series Dirt as Holt McLaren. He also built a lasting connection to the horror genre through his role as Arkin in The Collector and its sequel, The Collection.
Beyond acting, Stewart directed his first feature film, The Hunted, in 2013. He continues to work steadily across television and film more than two decades into his career.
Early Life of Josh Stewart Actor
Stewart was born and raised in Diana, West Virginia, a small community in Webster County. His father, Charles Regnall Stewart, worked as a teacher and later became a Baptist pastor in Webster Springs.
His mother, Margie Stewart, taught at Webster Springs Elementary School. That upbringing in a close-knit, faith-centered household shaped his early work ethic.
Stewart got his start in local theater at the Landmark Theatre in Sutton, West Virginia. He later moved to New York City, where he studied at the T. Schreiber Studio and joined the 13th Street Repertory Theatre as a company member.
He continued performing on stage after relocating to Los Angeles. There, he appeared in productions alongside Robert Forster and Brooke Shields before moving into television and film work.
Josh Stewart Actor Age
Josh Stewart is 49 years old as of 2026, born on February 6, 1977.
His zodiac sign is Aquarius. He has built his acting career over more than two decades since his first credited television role in 2000.
Josh Stewart Actor Ethnicity and Nationality
Stewart is American, born and raised in West Virginia. He holds a white ethnic background, consistent with his Appalachian upbringing.
His family’s roots in Webster County, tied to his father’s church work and his mother’s teaching career, shaped his early cultural identity. That small-town West Virginia background remained part of his public image even after he moved to Los Angeles for acting.
Josh Stewart Actor Height and Weight
Stewart stands at approximately 5 feet 9 inches, or about 1.75 meters. His weight has been reported at around 176 pounds, or roughly 80 kilograms.
He has maintained an athletic build throughout his career, competing as an amateur boxer and snowboarder.
That physicality has suited the intense, often dangerous characters he has played across horror and crime dramas.
Josh Stewart Actor Education
Stewart first attended West Virginia Wesleyan College. He later transferred to West Virginia University, where he earned a business degree with a focus on marketing.
After finishing his degree, Stewart moved to New York City to pursue acting professionally. He trained at the T. Schreiber Studio, building the technical foundation that carried him from regional theater into film and television.
Josh Stewart Actor Career
Breakthrough Role and Career Start
Stewart’s earliest screen work included an extra role on Dawson’s Creek in 2000 and a small part in a 2004 episode of CSI: Miami. That same year, he appeared in a national commercial for Levi’s 501 jeans.
His breakthrough came when he joined Third Watch as Officer Brendan Finney for the show’s sixth and final season in 2004. Stewart played the son of Internal Affairs Captain Cathal “CT” Finney on the NBC crime drama.
Following that role, Stewart landed the lead in FX’s Dirt in 2007, playing tabloid editor Holt McLaren opposite Courteney Cox. The show ran for two seasons before its cancellation in 2008.
Notable Films and Projects
Stewart made his mainstream film debut in 2008, playing Pleasant Curtis in The Curious Case of Benjamin Button alongside Brad Pitt. That same year, he appeared in the horror film The Haunting of Molly Hartley.
In 2009, Stewart took the lead role of Arkin O’Brien in the horror film The Collector, a part he reprised in the 2012 sequel The Collection.
He also joined the cast of Criminal Minds that year as Detective William LaMontagne Jr., a recurring role he would return to for over a decade.
Stewart played Barsad, an associate of Bane, in Christopher Nolan’s 2012 film The Dark Knight Rises. Two years later, he appeared in Christopher Nolan’s Interstellar, adding another major studio credit to his résumé.
In 2013, Stewart made his directorial debut with The Hunted, a film he also starred in. He continued expanding into producing and directing work through the rest of the decade.
Recent Work
Stewart joined the second season of Netflix’s The Punisher in 2018, working alongside future wife Alexa Davalos. He has also appeared in the CBS series Shooter and the Paramount drama series associated with the Yellowstone franchise.
He returned to Criminal Minds for its 2025 revival, Criminal Minds: Evolution, reprising his role as Detective LaMontagne. His character was written out of the show during that season.
Stewart continues to take on film work, with credits including Tenet and The Odyssey among his more recent projects. He remains active across both television and film into 2026.
Josh Stewart Actor Filmography
- Third Watch (2004-2005) as Officer Brendan Finney
- Dirt (2007-2008) as Holt McLaren
- The Curious Case of Benjamin Button (2008)
- The Haunting of Molly Hartley (2008)
- The Collector (2009) as Arkin O’Brien
- Criminal Minds (2007-2020, 2022-2023, 2025) as Detective William LaMontagne Jr.
- Law Abiding Citizen (2009)
- The Collection (2012)
- The Dark Knight Rises (2012) as Barsad
- The Hunted (2013, director and star)
- Interstellar (2014)
- Shooter (TV series)
- The Finest Hours
- The Punisher (2019) season two
- Criminal Minds: Evolution (2025)
Josh Stewart Actor Awards and Recognition
Stewart has built his reputation through steady work across studio films and long-running television series rather than major awards recognition.
His roles in Christopher Nolan’s The Dark Knight Rises and Interstellar remain among his highest-profile studio credits.
His work in the horror genre, particularly The Collector and The Collection, earned him a dedicated following. That cult recognition has followed him throughout his career, alongside his more mainstream television work.
Josh Stewart Actor Girlfriend

Josh Stewart is currently single. He is not engaged or in a publicly confirmed relationship as of 2026.
Stewart was previously married twice. He wed casting director Deanna Brigidi in 2007, and the couple divorced in 2016 after separating two years earlier.
He later married actress Alexa Davalos on May 19, 2019. The two met while working together on the second season of The Punisher, and they separated in 2024.
Josh Stewart Actor Children
Josh Stewart has two children with his first wife, Deanna Brigidi. Their daughter, Ryan Justine Stewart, was born in 2008, and their son, River Jacob Stewart, was born in 2010.
Stewart has kept most details about his children private since their birth. He has focused on maintaining a stable family life alongside his acting career.
In 2012, Stewart experienced a serious health scare after contracting salmonella, which led to a heart attack.
His then-wife performed CPR to help him during the emergency, and he later had an implantable cardioverter-defibrillator placed in his chest to help regulate his heartbeat.
Josh Stewart Actor Net Worth
Josh Stewart’s estimated net worth is $5 million as of 2026. His income comes mainly from his acting work across film and television, along with his directing and producing projects.
His long-running role on Criminal Minds has provided a steady source of income for more than a decade.
Studio film credits in The Dark Knight Rises and Interstellar have added to his earnings alongside his horror franchise work in The Collector series.
The Bottom Line
Stewart’s breakout came in 2007 when he took the lead role of Holt McLaren on FX’s Dirt, opposite Courteney Cox. He went on to build a lasting connection with horror fans through his role as Arkin in The Collector and The Collection.
Stewart grew up in Webster County, West Virginia, the son of a teacher and a Baptist pastor, and he trained in theater in New York before moving to Los Angeles. He directed his first film, The Hunted, in 2013, adding filmmaking to his acting career.
He returned to Criminal Minds for its 2025 revival, Criminal Minds: Evolution, continuing a role he has played on and off since 2007. We hope you enjoyed reading about Josh Stewart Actor. Feel free to share your thoughts in the comments below!