We don't have a biography for Mr. Plenn yet. Hang in there, or go ahead and contribute one.
Appearances
Falcon Crest
Guest cast, played by Liam Sullivan
- Episode 3x14: Sport of Kings (Jan 6, 1984)
- Episode 3x15: Queen's Gambit (Jan 13, 1984)
- Episode 3x17: Power Play (Feb 3, 1984)