John Markus is a producer and writer, known for Cosby Show (1984), The Larry Sanders Show (1992) and Kristin (2001).
The Cosby Show - Season 4
BBQ Pitmasters - Season 2
BBQ Pitmasters - Season 5
The Zen Diaries of Garry Shandling
The Cosby Show - Season 6
The Cosby Show - Season 1
The Cosby Show - Season 7
BBQ Pitmasters - Season 4
The Cosby Show - Season 2
The Cosby Show - Season 5
The Cosby Show - Season 3
BBQ Pitmasters - Season 7
BBQ Pitmasters - Season 1
The Cosby Show - Season 8
BBQ Pitmasters - Season 6
BBQ Pitmasters - Season 3