John MarkusWritingNo biography is available.Known forIMDb0.0The Cosby ShowTV show · 1984IMDb0.0TaxiTV show · 1978IMDb0.0The Larry Sanders ShowTV show · 1992IMDb0.0KristinTV show · 2001LateLineIMDb0.0LateLineTV show · 1998The FactsIMDb0.0The FactsMovie · 1982Credits7AllMoviesTV showsAll departments▼2018The Zen Diaries of Garry ShandlingTV showas Self · 2 episodes2001KristinTV showCreator1998LateLineTV showCreator1992The Larry Sanders ShowTV showWriter · Producer · 90 episodes1984The Cosby ShowTV showWriter · Producer · 197 episodes1982The FactsMovieTeleplay1978TaxiTV showWriter · 1 episodes
