Billy Hill and Jack 'Spot' Comer were among the most notorious criminals in London up until the 1950s. Dramatising the violent reign of two of London's most notorious gangsters, Billy Hill (Leo Gregory) and Jack 'Spot' Comer (Terry Stone), ONCE … Terry Stone, Leo Gregory, Holly Earl, Jamie Foreman, Justin Salinger, Dominic Keating, Geoff Bell Added on Amazon Prime 2023-07-26. Youtube Trailer