Gregory Tyree Boyce, who played Tyler Crowley in the 2008 film, and his girlfriend Natalie Adenike Adepoju were found dead in Las Vegas. Photographed in Los Angeles April 2018. Actor Gregory Tyree Boyce, best known for his role as Tyler Crowley in the 2008 film Twilight, has died at the age of 30. Per The Hollywood Reporter, Boyce and his 27-year-old girlfriend, Natalie Adepoju, were both found dead Wednesday in their Las Vegas condo. The cause of death for both is unknown.