The cast of NCIS has finally confirmed what fans have long suspected about working with Mark Harmon — he’s not just a great actor, but also the glue holding the team together. In recent interviews, several cast members opened up about Harmon’s quiet leadership, praising his kindness, professionalism, and deep respect for everyone on set.

Sean Murray, who plays McGee, shared that Harmon always leads by example, setting a calm and focused tone even on long, demanding shoot days. Wilmer Valderrama echoed those thoughts, saying Harmon consistently made sure everyone, from newcomers to longtime crew, felt supported and valued. It’s clear Harmon’s presence helped create the close-knit family atmosphere fans sense behind the scenes.

While Harmon stepped away from his longtime role as Gibbs, his influence is still felt throughout the show. Cast members said they continue to carry his lessons forward, honoring the standards he set over nearly two decades. For fans, this confirmation only deepens the appreciation they have for Harmon, knowing his real-life role was just as impactful as his on-screen one.