It is based on the true story of the first British politician to stand trial for conspiracy and incitement to murder, reported Deadline.
The three-part drama is directed by Stephen Frears and written by Russel T Davies.
"Hugh is one our most iconic British actors - sharp, witty, deeply human and nuanced - and to have him play one of the most controversial figures of British politics is utterly thrilling," Executive producer Dominic Treadwell-Collins said.
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