Marcos Siazon is a fictional character portrayed by Eric Steinberg in the TV series NCIS.
In the first episode they appeared in, titled Under Covers (season 3), they were 36 years old.
They appear in 1 episodes out of a total of 467 aired so far
Episodes1
Under Covers
episode S3.E8 november 2005Tony and Ziva go undercover and under the covers as assassins, a married couple, who recently died, but who apparently have a contract to execute at the Marine Corps birthday ball in Washington. The NCIS gang figure it out and work it out.