We don't have a biography for Hernan O'Brien yet. Hang in there, or go ahead and contribute one.
Appearances
The Sopranos
Guest cast, played by Vincent Piazza
- Episode 6x08: Johnny Cakes (Apr 30, 2006)
- Episode 6x11: Cold Stones (May 21, 2006)
- Episode 6x13: Soprano Home Movies (Apr 8, 2007)