‘Quiz’ explores ‘Who Wants to be a Millionaire’ scandal

“Quiz,” based mostly on creator James Graham’s 2017 play, performs out over three episodes an hour lengthy. It explores how the Charles Ingram, a British Army main — performed by Matthew Macfayden of “Succession” — and his spouse Diana, a trainer, discovered themselves within the center one of many first actuality TV scandals of the 21st century.