Hill passed away in New York City last Thursday (February 20), but Variety reports that a cause of death has not been disclosed.
He is survived by his son Chris W Hill, a film editor.
The actor is best known for playing the bombastic gang leader Cyrus in director Walter Hill's cult 1979 action thriller The Warriors.
He later appeared in the soap opera One Life to Live from 1983 to 1984.
Roger also appeared in The Leatherstocking Tales, American Playhouse and The Education of Sonny Carson.