David Tennant and Steven Moffat have had a long-standing professional relationship, but never quite on the level of the 2022 series, Inside Man. After his fan-favorite portrayal of Doctor Who, Tennant starred in the disturbing four-episode series for Netflix. Developed by Moffat, the series meditates on what it takes for one person to be capable of murder. Taking place on two separate continents, Inside Man follows the parallel stories of two men.