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Personal Info
Known For
Writing
Gender
Male
Also Known As
John Marcus
IMDb Profile
John Markus
Known For
The Cosby Show
1984
The Larry Sanders Show
1992
The Zen Diaries of Garry Shandling
2018
No Image
The Facts
1982
No Image
LateLine
1998
Acting
7.1
The Zen Diaries of Garry Shandling
2018
7.0
The Cosby Show
1984
Writing
The Larry Sanders Show
Writer, Producer
1992
The Cosby Show
Writer, Producer
1984
