Boston Blackie is a fictional character created by author Jack Boyle (October 19, 1881 – October 1928). Blackie, a jewel thief and safecracker in Boyle's stories, became a detective in adaptations for films, radio and television—an "enemy to those who make him an enemy, friend to those who have no friend."
Actor Chester Morris was the best-known Blackie, playing the character in 14 Columbia Pictures films (1941–1949) and in a 1944 NBC radio series. Boston Blackie is the role for which Morris is best remembered.
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Morris gave the Blackie character his own personal charm: he could be light and flippant or stern and dangerous, as the situation demanded. His sidekick, the Runt, was always on hand to help his old friend. George E. Stone played Runt in all but the first and last films. Charles Wagenheim and Sid Tomack, respectively, substituted for Stone when he was not available.
Blackie's friendly adversaries were Inspector Farraday[a] of the police (played in all the films and the radio series by Richard Lane) and his assistant, Sergeant Matthews. Matthews was originally played as a hapless victim of circumstance by Walter Sande; he was replaced by Lyle Latell, who played it dumber, and then by comedian Frank Sully, who played it even dumber.