Contrary to some popular belief, he was born in New York City. He comes from a creative, arts-involved family. His Irish-American mother, Katherine (Healy), was a music teacher and poet, and his Italian-American father, Armand Anthony Assante, Sr., was a painter and artist.
Attended and graduated from Cornwall Central High School in upstate New York.
Reportedly gained nearly 50 lbs for his role as John Gotti in Gotti (1996).
Friends with Jennifer Blanc-Biehn since they filmed The Third Wish (2005).
Lives on a 225 acre farm in upstate New York.
Living in upstate New York, he has been separated from wife Karen since 1994 and has two daughters, Anya and Alessandra.
Christopher Reeve was scheduled to play the lead role in Kidnapped (1995); Armand replaced him following Reeve's paralyzing horse-riding accident.
Has appeared with Sylvester Stallone in three films: The Lords of Flatbush (1974), Paradise Alley (1978) and Judge Dredd (1995).
Has twice played Sylvester Stallone's brother in Paradise Alley (1978) and Judge Dredd (1995).
Alumnus of the AADA (American Academy of Dramatic Arts), Class of 1969.
Born on exactly the same date as Brynn Thayer (of "One Life to Live" and "Pensacola: Wings of Gold" fame).