Arthur J. Nascarella is an American character actor who has appeared in dozens of films, most often playing mobsters and cops. Among his notable film credits include a corrupt cop in Cop Land (1997), a hypocritical ambulance captain in Bringing Out The Dead (1999) and a fed-up casino boss in The Cooler; he has also appeared in He Got Game (1998), Enemy of the State (1998) and World Trade Center (2006).

Notably, he played fictional Mafia capo Carlo Gervasi in The Sopranos.

Before he became an actor, Nascarella was a 20-year veteran of the New York City Police Department. He also served eight years in the United States Marine Corps.