Johnny DeMayo is a fictional character portrayed by Michael Rispoli in the TV series Law & Order.
In the first episode they appeared in, titled Faccia a Faccia (season 8), they were 37 years old.
They appear in 2 episodes out of a total of 501 aired so far
Episodes2
Faccia a Faccia
episode S8.E15 february 1998A mafia hit man who was in the witness protection program turns up dead in Central Park. A mafia boss is implicated, but his defense wants him declared mentally incompetent to stand trial.Challenged
episode S19.E2 november 2008A intellectually disabled man who witnessed a murder holds the key to revealing the victim's shocking family secret, as well as shocking information about the identity of the killer.
- Faccia a Faccia
- Challenged