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Jason Biggs on political role in Grassroots film

12 October 2012 Last updated at 11:49 BST

Actor Jason Biggs, better known for American Pie, talked politics as he described his new film Grassroots where an independent takes on a powerful politician.

He debated grassroots action and American politics with Andrew Neil, Alan Johnson and Michael Portillo on BBC1's This Week programme, as they considered whether one-issue politicians had any chance in the UK.

The full programme can be seen by UK viewers on iPlayer for 12 months.

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