Baby Face Nelson Baby Face Nelson Lester Joseph Gillis (December 6, 1908 – November 27, 1934), known by the alias George Nelson, better known as Baby Face Nelson, was an American bank robber in the 1930s. Gillis was given the nickname Baby Face due to his youthful appearance and small stature, although few dared call him "Baby Face" to his face. Criminal associates instead called him "Jimmy". Nelson entered into a partnership with John Dillinger, helping him escape from prison during the famed Crown Point, Indiana Jail escape, and was later labeled along with the remaining gang members as public enemy number one.
William Jackson (gangster) by Frank Orsatti in the film. William Jackson (gangster) William Jackson, also known as Action Jackson (December 13, 1920 – August 11, 1961) was an enforcer and loan collector for the Chicago Outfit. He earned his nickname of "Action" because it was slang for "Juice Man", which meant debt-collector. He was tortured to death by his fellow gangsters, allegedly on suspicion that he had become an informant for the Federal Bureau of Investigation (FBI). Chicago police described him as a man with the body of a giant and the brain of a child, who was known in syndicate circles as