How old was John Markwell in…

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John Markwell was ? in Bent as 'Visual Effects'.

Movie Released: Wed, Nov 26 1997

John Markwell was ? in Stella Does Tricks as 'Special Effects Supervisor'.

Movie Released: Thu, Nov 06 1997

John Markwell was ? in Jude as 'Special Effects Supervisor'.

Movie Released: Tue, Feb 06 1996

John Markwell was ? in Brothers in Trouble as 'Special Effects Supervisor'.

Movie Released: Wed, Aug 23 1995

John Markwell was ? in Afraid of the Dark as 'Special Effects Supervisor'.

Movie Released: Thu, Oct 10 1991

John Markwell was ? in A Prayer for the Dying as 'Special Effects Technician'.

Movie Released: Fri, Sep 11 1987

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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