Imperioli received his fifth nomination for outstanding supporting actor in a drama series this year for "The Sopranos." He won once, in 2004.
Born in 1966 in Mount Vernon, N.Y., Imperioli first gained notice in Martin Scorcese's "Goodfellas."
In 2005, Imperioli appeared as a detective in several episodes of "Law and Order."
He runs an off-Broadway theater in New York called Studio Dante.