David O'BrienActingNo biography available.Known For6.9Spenser: For Hire19855.5Arthur 2: On the Rocks19884.9Katmandu1969Fan ClubNo Nerds have favorited David O'Brien yet — be the first.All fan clubsFrom NerdspinFilmographyActor111988Arthur 2: On the RocksFilmMillionaire★ 5.51986Kay O'BrienTV★ 7.51985Spenser: For HireTV★ 6.91984The Cosby ShowTV★ 7.01982American PlayhouseTVMarshall Rodker • 1 episodes★ 6.61976The Adams ChroniclesTVOliver Wolcott • 1 episodes★ 7.41969KatmanduFilmJacques★ 4.91964Another WorldTV★ 5.51963The DoctorsTVDr. Steve Aldrich • 39 episodes★ 6.41954Climax!TV★ 3.81954The Secret StormTV★ 4.5