**Sean Murray Reveals How Playing McGee Changed His Life Forever** Sean Murray Reveals How Playing McGee Changed His Life Forever — a journey that began in the early days of *NCIS* and continues to shape both his career and personal outlook. When Sean first stepped into the role of Timothy McGee, the shy and brainy agent seemed like just another supporting character in a procedural crime drama. Yet over the years, McGee grew into one of the emotional anchors of the series, reflecting Sean’s own