Bonham is a new character to be introduced in Season 4 of 12 Monkeys. He will be played by Game of Thrones actor Conleth Hill. Bonham is a a world weary international law enforcement agent facing the last days of mankind. His ancestors — by virtue of time-travel — were given a relic of incredible importance. As a world-ending pandemic spreads across the globe, leaving billions dead in its wake, Bonham has come to doubt the item’s truth. His sense of duty out-paces his hope — and in the end, both will be tested.