Joshua plays Igor Kirschenbaum in Chernobyl which airs in the UK on Sky Atlantic and NOW TV on 7th May.
Chernobyl, a five-part miniseries co-production from HBO and Sky, dramatizes the story of the 1986 nuclear accident, one of the worst man-made catastrophes in history — and of the sacrifices made to save Europe from unimaginable disaster. It stars Emmy-nominee Jared Harris (The Crown, Mad Men), Stellan Skarsgård (Melancholia, Good Will Hunting) and Oscar-nominee Emily Watson (Hilary and Jackie, Breaking the Waves).
https://www.imdb.com/title/tt7366338/videoplayer/vi3724524825?ref_=tt_ov_vi