Summary: Sylvia Picker appeared as Holliday's scatterbrained secretary, Suzy, while Edmund MacDonald played police Lt. Kling. Supporting cast members included Betty Lou Gerson, Frank Lovejoy, Lurene Tuttle, Alan Reed, Luis Van Rooten and John Beal. Vern Carstensen, who directed Box 13 for producer Richard Sanville, was also the show's announcer. Among the 52 episodes in the series were such mystery adventures as "The Sad Night," "Hot Box," "Last Will And Nursery Rhyme," "Hare And Hounds," "Hunt And Peck," "Death Is A Doll," "Tempest In a Casserole" and "Mexican Maze." The dramas featured music by Rudy Schrager. Russell Hughes, who had previously hired Ladd as a radio actor in 1935 at a $19 weekly salary, wrote the scripts, sometimes in collaboration with Ladd. The partners in Mayfair Productions were Ladd and Bernie Joslin, who had previously run the chain of Mayfair Restaurants.
