What actor served as a volunteer firefighter in the days following September 11?

What actor served as a volunteer firefighter in the days following September 11?

A Steve Buscemi
B J. W. Cortes
C Dennis Farina

While Cortes and Farina have done police work in real life, Buscemi worked as a firefighter in Manhattan in the 1980s. He returned to his old firehouse and worked 12-hour search and rescue shifts at ground zero in the aftermath of September 11.

The correct answer is Steve Buscemi.