Yancy Derringer is an American Western series that ran on CBS from 1958 to 1959, with Jock Mahoney (1919–1989) in the title role. The show was produced by Derringer Productions and filmed in Hollywood by Desilu Productions. Derringer Productions consisted of half interest for Warren Lewis and Don Sharpe as executive producers, and a quarter interest to Jock Mahoney for starring in the series, and a quarter interest to Richard Sale and Mary Loos, husband and wife, as creators. Desilu had just completed the 1956 series The Adventures of Jim Bowie which was also mostly set in New Orleans. The show's sponsor was Johnson Wax, now S. C. Johnson, and CLEAR floorwax was a regular sponsor.