Staff at HMP Ranby are working with Nottinghamshire Police to identify the ringleaders who led an eight-hour disturbance at the prison.
The disturbance began at around midday and was not resolved until 8.10pm.
A number of inmates were driven away from the prison near Retford in several vehicles and were heard shouting and banging inside.
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No-one was on board the single-decker vehicle, Humberside Police said.
The disgraced film producer has been the subject of an investigation in the US into allegations that he sexually assaulted numerous women.
Pyongyang said it is ‘willing to give the US time and opportunities’ to reconsider talks ‘at any time’.