We don't have a biography for Mattie Duppler yet. Hang in there, or go ahead and contribute one.
Appearances
Real Time with Bill Maher
Guest cast, played by Mattie Duppler
- Episode 11x14: May 3, 2013 (May 3, 2013)
- Episode 11x34: Radley Balko; Mattie Duppler, Ezra Klein and Reihan Salam; Casey Affleck (Nov 15, 2013)