Sean Murray joined NCIS early in its run, when the series was still shaping its identity. Timothy McGee began as a supporting presence, learning and adapting in every season. As the years passed, McGee changed. Confidence replaced uncertainty, responsibility replaced hesitation, and experience shaped his decisions. That growth never felt forced because it mirrored real life. Murray wasn’t playing evolution. He was living it on screen. Growing up in front of millions isn’t common in television. T