How old was Jonathan Grupper in…

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Jonathan Grupper was ? in Catching a Serial Killer: Sam Little as 'Co-Executive Producer'.

Movie Released: Sun, Apr 12 2020

Jonathan Grupper was ? in Solar Superstorms as 'Additional Writing'.

Movie Released: Fri, Feb 15 2013

Jonathan Grupper was ? in Nature Amazing Places Hawaii as 'Writer'.

Movie Released: Tue, Apr 20 2010

Jonathan Grupper was ? in Nova: Monster Of The Milky Way as 'Writer'.

Movie Released: Tue, Oct 31 2006

Jonathan Grupper was ? in The Louisiana Purchase as 'Director'.

Movie Released: Mon, Apr 28 2003

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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

Jonathan Grupper was ? in Wild Hawaii as 'Writer'.

TV Show Released: First Air Date
Wed, Aug 20 2014

Jonathan Grupper was ? in Really Wild Animals as 'Producer, Writer'.

TV Show Released: First Air Date
Wed, Mar 02 1994

Jonathan Grupper was ? in NOVA as 'Writer, Director'.

TV Show Released: First Air Date
Sun, Mar 03 1974