Sean Murray Shares the Truth Behind His Long Road on NCIS Sean Murray’s journey on NCIS has been one of quiet strength, steady growth, and deep commitment. From the early days of playing the soft-spoken Timothy McGee to becoming one of the longest-running cast members on the series, Murray’s path has been anything but simple. His character evolved from a nervous rookie into a confident and respected agent, mirroring the dedication Sean brought to the role. Throughout his time on the show, Sean h