Johnny Madero, Pier 23  Johnny Madero, Pier 23 (sometimes listed as Johnny Modero, Pier 23 or Johnny Madero-Pier 23) was a 30-minute radio detective drama series which was broadcast on Mutual Thursday at 8 p.m. from April 24, 1947, to September 4, 1947. It was the first nationwide program for star Jack Webb. The storylines follow the footsteps of fast-talking, wisecracking Johnny Madero (Webb), who runs a boat shop on the San Francisco waterfront, rents boats and usually drops in for a weekly chat with Father Leahy (Gale Gordon). When investigating a crime, Madero manages to solve the mystery before tough cop Warchek (William Conrad). The supporting cast sometimes included Betty Lou Gerson, Elaine Burke, Bob Holden, Herb Butterfield, Irvin Lee and Herb Rawlinson. Harry Zimmerman provided the background music. Nat Wolff directed the scripts by Richard Breen, Herb Margolis and Lou Markheim. The program's announcer was Tony LaFranco. Pat Novak, for Hire  Winn, Dilys. "Murder Ink: The Mystery Reader's Companion". Workman, 1977.