<P> Ronald Leibman ( born October 11 , 1937 ) is 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 Parts I and II . Leibman also won a Primetime Emmy Award for his role as Martin ' Kaz ' Kazinsky in his short - lived crime drama series Kaz . In 1986 Leibman was nominated for a Golden Globe for Best Supporting Actor for the role of Morris Huffner in Christmas Dove . Leibman is most known for providing the voice of Ron Cadillac in Archer and for playing Dr. Leonard Green , Rachel 's rich , short - tempered father on the sitcom Friends . </P>
<P> Ronald Leibman ( born October 11 , 1937 ) is 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 Parts I and II . Leibman also won a Primetime Emmy Award for his role as Martin ' Kaz ' Kazinsky in his short - lived crime drama series Kaz . In 1986 Leibman was nominated for a Golden Globe for Best Supporting Actor for the role of Morris Huffner in Christmas Dove . Leibman is most known for providing the voice of Ron Cadillac in Archer and for playing Dr. Leonard Green , Rachel 's rich , short - tempered father on the sitcom Friends . </P>
who does the voice of ron cadillac on archer
who does the voice of ron cadillac on archer
Ronald Leibman
Ronald Leibman