Tom Selleck and Donnie Wahlberg have developed a close relationship while working together on the CBS show "Blue Bloods." Wahlberg speaks highly of Selleck, describing him as an experienced, smart, and dedicated actor. Wahlberg admires Selleck's leadership skills and the way they both approach their work. Wahlberg sees similarities between Selleck's character on the show and his own father, which drew him to the series. Their off-screen bond has grown over time, with Wahlberg even referring to Selleck as "dad." Their chemistry has contributed to the success and authenticity of "Blue Bloods."