Based on Stout's principal characters but not his stories, the series aired October 20, 1950 – April 27, 1951, on NBC.

Produced by Edwin Fadiman and directed by J. Donald Wilson, the series aired on NBC from October 20, 1950 to April 27, 1951.

[2]: 325 Wolfe's legman Archie Goodwin was played by a succession of actors including Gerald Mohr, Herb Ellis, Lawrence Dobkin, Harry Bartell, Lamont Johnson and Wally Maher.

[1] Biographer John McAleer reported that Stout enjoyed Greenstreet's portrayal.

[3] Greenstreet suffered from both diabetes and Bright's Disease, and his health fluctuated during the run of the radio program.