Co-founder of Mission Pictures with Andrew Hauptman and Damien Jones, Graham Broadbent produced Thunderpants (2002) by Peter Hewitt and Piccadilly Jim (2004) by John McKay.
During an appearance on The Tonight Show with Conan O'Brien, Paul Giamatti referred to this film as one of the high points in his career.
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Empire magazine wrote in their review that Thunderpants is "a well-made, quirky oddity for adults, but a laugh riot for kids and Beano nostalgists...underneath all the expelled air it’s really just a simple tale of a boy finding his talent and making the most of it".
The two later appeared together in the short film Deflation by Roger Ashton-Griffiths and as extras in the larger film Thunderpants.