Freeman is known for his roles on “NCIS”, “Bones” and “ER”, among others.
A cause of death was not released, NBC News reported.
Freeman is being remembered by friends and colleagues online, who have paid tribute to the actor’s legacy.
Photos: Heath Freeman through the years Here are some memorable photos of actor Heath Freeman through the years. (Alberto E. Rodriguez/Getty Images)
Photos: Heath Freeman through the years 2002: From the play "Making It" at South Coast Repertory in Costa Mesa, California: Laura Hinsberger (left) as Claire; J.D. Cullum as Paolo; Heath Freeman as Jack (standing); and Nicholas Hormann as Leonard. (Robert Lachman/Los Angeles Times via Getty Images)
Photos: Heath Freeman through the years 2003: Heath Freeman and Eliza Dushku during 2003-2004 FOX Upfront - After Party at Grand Central Terminal in New York City. (Ron Galella/Ron Galella Collection via Getty Images)
Photos: Heath Freeman through the years 2009: Heath Freeman arrives at the 2009 Hot Summer Nights benefiting the United Breast Cancer Foundation at the Playboy Mansion on August 15, 2009, in Beverly Hills, California. (Jean Baptiste Lacroix/WireImage via Getty Images)
Photos: Heath Freeman through the years 2010: Actress Kelly Monaco (right) and Heath Freeman arrive at the 37th annual Daytime Entertainment Emmy Awards held at the Las Vegas Hilton on June 27, 2010, in Las Vegas. (Frazer Harrison/Getty Images)
Photos: Heath Freeman through the years 2011: Actors Heath Freeman (left) and Kelly Monaco (right) arrive at the "Skateland" premiere at ArcLight Cinemas on May 11, 2011, in Hollywood, California. (Chelsea Lauren/WireImage)
Photos: Heath Freeman through the years 2011: Actress Kelly Monaco and Heath Freeman arrive at the 38th annual Daytime Entertainment Emmy Awards held at the Las Vegas Hilton on June 19, 2011, in Las Vegas. (David Becker/Getty Images)
Photos: Heath Freeman through the years 2014: Producer Heath Freeman and actress Kelly Monaco arrive to the Los Angeles premiere of "Jimi: All Is by My Side" at ArcLight Cinemas on September 22, 2014, in Hollywood, California. (Alberto E. Rodriguez/Getty Images)
Photos: Heath Freeman through the years 2014: Heath Freeman (left) and actress Kelly Monaco attend the premiere of Magnolia Pictures' "White Bird in a Blizzard" at the ArcLight Hollywood on October 21, 2014, in Hollywood, California. (Frederick M. Brown/Getty Images)
Photos: Heath Freeman through the years 2019: Heath Freeman attends the premiere of "Why Not Choose Love: A Mary Pickford Manifesto" at Theatre at the Ace Hotel on June 12, 2019, in Los Angeles. (Rodin Eckenroth/Getty Images)