TJ Thyne is from Boston but moved around a lot as a kid. He landed several lead roles at a young age in plays throughout the country, including the off-Broadway production of Van Gogh at New York's Mint Theater Company.

Thyne studied acting with teachers throughout the United States and British Columbia. He graduated from the University of Southern California School of Theater, where he studied acting for four years before auditioning for parts.

Thyne's television credits include recurring and guest roles on Friends, Cold Case, Boston Legal, Nip/Tuck, CSI: NY, CSI: Crime Scene Investigation, Huff, The O.C., 24, Without a Trace and Navy NCIS. Thyne also guest-starred on MD's with fellow Bones cast member Michaela Conlin and recurred on Angel with fellow cast member David Boreanaz.

Thyne's feature film credits include the role of "Stu Lou Who" in How the Grinch Stole Christmas with Jim Carrey, the young lawyer "David Foil" in Erin Brockovich with Julia Roberts, "Gerald" in How High with Method Man and Redman, as well as appearances in Something's Gotta Give, What Women Want, Edtv, Ghost World, The Adventures of Rocky & Bullwinkle and Simone.