The Netflix show has already had several famous actors play members of the British royal family, and according to reports the show has selected their next Prince Philip.
The Sun reports Oscar-nominated actor Jonathan Pryce has been selected to play the Duke of Edinburgh in the final two series of the show. Pryce starred in last year's Netflix movie The Two Popes, penned by New Zealand-born screenwriter Anthony McCarten.
The 73-year-old actor was nominated for best supporting actor for his role as Pope Francis. He is also known for his role on Game of Thrones as the High Sparrow in 2015.
Harry Potter star Imelda Staunton will play the Queen, and Lesley Manville will play Princess Margaret.