Portrait of John Markus

John Markus

Born: Unknown birthdate.
John Markus is ?
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Movies (As Crew)

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Poster of The Facts
The Facts
John Markus was ? in The Facts as 'Teleplay'.
Movie Released: Tue, Jun 01 1982

TV Shows (As Crew)

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Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Poster of The Larry Sanders Show
The Larry Sanders Show
John Markus was ? in The Larry Sanders Show as 'Writer, Producer'.
TV Show Released: First Air Date
Sat, Aug 15 1992
Poster of The Cosby Show
The Cosby Show
John Markus was ? in The Cosby Show as 'Writer, Producer'.
TV Show Released: First Air Date
Thu, Sep 20 1984