Denny Johnson A.K.A Nerdy Man is a fictional character portrayed by Hank Harris in the TV series NCIS.
In the first episode they appeared in, titled Rock and a Hard Place (season 11), they were 34 years old.
They appear in 1 episodes out of a total of 467 aired so far
Episodes1
Rock and a Hard Place
episode S11.E17 march 2014Backstage before a charity-benefit concert in Washington, DC, an explosion kills a Navy petty officer first-class; Gibbs and company investigate; Abby fingers the bad guy, McGee finds out about him, and Gibbs and Ellie catch him at work.