Martin Kane was probably the first private investigator featured in a TV series. U.S. Tobacco sponsored the stories both on TV and radio.
The actor William Gargan was best known for his starring role as New York – based private detective Martin Kane on the 1940/50s television and radio show. There were approximately 175 radio shows and 120 30-minute TV episodes.
Actor William Gargan was later replaced by Lloyd Nolan, Lee Tracy and Mark Stevens. The show was directed by Edgar C. Kahn.