Known for Acting

Ron Leibman (October 11, 1937 – December 6, 2019) was an American actor. He won both the Tony Award for Best Actor in a Play and the Drama Desk Award for Outstanding Actor in a Play in 1993 for his performance as Roy Cohn in Angels in America. Leibman also won a Primetime Emmy Award in 1979 for his role as Martin 'Kaz' Kazinsky in his short-lived crime drama series Kaz. Leibman also acted in films such as Where's Poppa? (1970), The Hot Rock (1972), Norma Rae (1979), and Zorro, The Gay Blade (1982). Later in his career, he became widely known for providing the voice of Ron Cadillac in Archer (2013–2016) and for playing Dr. Leonard Green, Rachel's rich, short-tempered father, on the sitcom Friends (1996–2004). Description above from the Wikipedia article Ron Leibman, licensed under CC-BY-SA, full list of contributors on Wikipedia.
2004
as Dr. Cohen
1970
as Sidney Hocheiser
2002
as Lenny
1972
as Paul Lazzaro
1997
as Harry Shondor
1972
as Stanley Murch
1976
as Rudy Montague
1997
as Morgenstern
2002
as Lou Schoichet
1979
as Reuben
1980
as Major Vaughn Liceman (uncredited)
1984
as Freddie Ugo
1998
as Barry the Book
1986
as Morris Huffner
2002
as Avram Herskowitz
1978
as Detective Louis Kazinsky
1988
as Simon Resnick
1983
as Dave Davis
2010
as Warren Dunning
1996
as Rabbi / Old Man (voice)