Army Corporal John Sydney is a fictional character portrayed by Dabney Coleman in the TV series NCIS.
In the first episode they appeared in, titled The Last Link (season 16), they were 87 years old.
They appear in 1 episodes out of a total of 467 aired so far
Episodes1
The Last Link
episode S16.E12 january 2019An old family friend beseeches Gibbs to join him on a road trip to search for a missing military I.D. bracelet.