Mark Harmon has stepped away from the series, at least for now, leaving fans to ponder his legacy. Luckily for fans, comments made by his NCIS co-stars reveal what it was like working with him on set.

Valderrama said this in March 2021: “To be honest ... as his best friend on and off the NCIS set. Valderrama said this in 2018: “I love the cast, I love the crew. You know, I get along ...