Blackie is a New York
private detective, who was an "Enemy to those who make him an enemy, friend to those who have
no friend." The series was broadcast on NBC, Mutual and CBS from 1944 to 1950. Chester Morris
(who also played the role in the movie series) played Blackie from 6/23/1944 to 9/15/1944, Richard Kolmar took over the role until it ended in 1950.