Wilmer Valderrama has joined the cast of NCIS, television’s #1 drama, as a series regular. Valderrama will play a once grounded NCIS field agent who accepted a deep cover assignment years ago and never resurfaced. Many agents don’t know he’s still on the job or that he’s even alive. Now, he’s back and his dedication to job and country has left him an unpredictable, charismatic loose cannon.