We don't have a biography for Dr. Lloyd Madden yet. Hang in there, or go ahead and contribute one.
Appearances
Masters of Sex
Guest cast, played by John Billingsley
- Episode 2x08: Mirror, Mirror (Aug 31, 2014)
- Episode 2x09: Story of My Life (Sep 7, 2014)
- Episode 2x10: Below the Belt (Sep 14, 2014)
- Episode 4x02: Inventory (Sep 18, 2016)