Gerald Tanner is a fictional character portrayed by Steve Harris in the TV series NCIS.
In the first episode they appeared in, titled Cadence (season 12), they were 49 years old.
They appear in 1 episodes out of a total of 467 aired so far
Episodes1
Cadence
episode S12.E14 february 2015DiNozzo returns to the military academy he attended as a teenager after a murdered Marine and alumni of the school is found clutching the photo of a current student. Also, Bishop and her husband invite Gibbs and the team out for a special dinner.