In 2003, he appeared in the music video for singer Dido's hit single "White Flag", and was the voice of Leon (Squall Leonhart) in the video game Kingdom Hearts, but he did not reprise his role in the sequel.
In 2005, Boreanaz began starring opposite Emily Deschanel on the prime time television series, Bones.
Boreanaz slept on a couch which he shared at his sister's place, visiting film sets and doing production assistant work, in order to learn more about the industry he hoped to be more involved with.
Boreanaz was involved with the creation of the NHL colors line and supports them publicly, Aaron, who works in advertising, has helped out with PR work and marketing.Former Buffy, The Vampire Slayer actor David Boreanaz has admitted cheating on his wife.He also appeared in the film Macabre Pair of Shorts where ironically he plays a Vampire's victim (in the segment "MPS").Boreanaz's only starring role in a major theatrical film was in 2001's slasher horror film, Valentine, alongside Denise Richards and Katherine Heigl.In 2010, Boreanaz admitted to having an extramarital affair with Rachel Uchitel, one of the same women with whom Tiger Woods was alleged to have cheated on his wife.
Shortly after Boreanaz's admission of the affair, text messages emerged on the Internet showing that indeed the affair was sexual in nature.The actor, who played good vampire Angel in the Buffy TV show and its spin-off Angel, revealed he had been unfaithful after his former lover contacted a lawyer and asked for money to buy her silence.In an interview with America's People magazine, he said: 'Our marriage has been tainted with my infidelities.'I just want to be open and honest.At the time of Boreanaz's affair, his wife was pregnant.The two wives run the day-to-day operations while their husbands help with the overall business.In that same year, he also voiced Hal Jordan in the direct to video DC Comics animated feature Justice League: The New Frontier.