Ron Leibman
Born
October 11, 1937
Died
December 6, 2019 (82 years old)
Known For
Acting
Place of Birth
New York City, New York, USA
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.

A Little Help
Warren Dunning
2010

Archer
Ron Cadillac (voice) · (9 episodes)
2009

Archer
Ron Cadillac (archive sound) (uncredited) · (1 episode)
2009

Garden State
Dr. Cohen
2004

Auto Focus
Lenny
2002

Dummy
Lou Schoichet
2002

Personal Velocity
Avram Herskowitz
2002

Law & Order: Special Victims Unit
Stan Villani · (4 episodes)
1999

The Sopranos
Dr. Lior Plepler · (3 episodes)
1999
Holding the Baby
Stan Peterson · (14 episodes)
1998

Just the Ticket
Barry the Book
1998

Don King: Only in America
Harry Shondor
1997

Night Falls on Manhattan
Morgenstern
1997

The Practice
Atty. Robert Colby · (1 episode)
1997

A Rugrats Chanukah
Rabbi / Old Man (voice)
1996

Central Park West
Allen Rush · (21 episodes)
1995

Friends
Leonard Green · (4 episodes)
1994

In the Wings: Angels in America On Broadway
1993
Pacific Station
Detective Al Burkhardt · (13 episodes)
1991

Law & Order
Paul Kopell · (1 episode)
1990

Law & Order
Defense Attorney Barry Nathanson · (1 episode)
1990

Terrorist on Trial: The United States vs. Salim Ajami
Simon Resnick
1988

Seven Hours to Judgment
David Reardon
1988
Aaron's Way
(1 episode)
1988
Class Act: A Teacher's Story
Sam Greene
1987

Christmas Eve
Morris Huffner
1986

Many Happy Returns
Jerry Brenner
1986

The Comedy Factory
Joey Caruso · (1 episode)
1985

Door to Door
Larry Price
1985

Murder, She Wrote
Roland Trent · (1 episode)
1984

Murder, She Wrote
Darryl Heyward · (1 episode)
1984

Rhinestone
Freddie Ugo
1984

Romantic Comedy
Leo Jessup
1983

Phar Lap
Dave Davis
1983

Zorro, The Gay Blade
Captain Esteban
1981

Rivkin: Bounty Hunter
Stan Rivkin
1981

Linda in Wonderland
Himself
1980

Up the Academy
Major Vaughn Liceman (uncredited)
1980

Norma Rae
Reuben
1979

Kaz
Martin 'Kaz' Kazinsky · (23 episodes)
1978

A Question of Guilt
Detective Louis Kazinsky
1978

Won Ton Ton: The Dog Who Saved Hollywood
Rudy Montague
1976

The Art of Crime
Roman Grey
1975

The Super Cops
David Greenberg
1974

Your Three Minutes Are Up
Mike
1973

Police Story
(1 episode)
1973

Slaughterhouse-Five
Paul Lazzaro
1972

The Hot Rock
Stanley Murch
1972

Where’s Poppa?
Sidney Hocheiser
1970

The Dick Cavett Show
Self - Guest · (1 episode)
1968

The Tonight Show Starring Johnny Carson
Self · (1 episode)
1962

The DuPont Show of the Week
Carmatti · (1 episode)
1961

Tony Awards
Self - Presenter · (1 episode)
1956

Tony Awards
Self - Winner/Performer · (1 episode)
1956

Golden Globe Awards
Self - Nominee · (1 episode)
1944