Dr. Leonard Greene is the father of Rachel Greene.
Appearances
Friends
Guest cast, played by Ron Leibman
- Episode 2x22: The One With the Two Parties (May 2, 1996)
- Episode 3x07: The One With the Race Car Bed (Nov 7, 1996)
- Episode 8x08: The One With the Stripper (Nov 15, 2001)
- Episode 10x13: The One Where Joey Speaks French (Feb 19, 2004)