On the Air Live with Captain Midnight is a 1979 American comedy-drama film directed by Beverly Sebastian and Ferd Sebastian with Tracy Sebastian as Marvin Ziegler, also known as Captain Midnight (not to be confused with the Captain Midnight serial character from the 1930s and 1940s), who runs his own pirate radio station and becomes an underground cult hit.The film was released in 1979 although it was filmed in 1977. The film is about a teenager who has a mobile broadcast transmitter in his van that allows him to take over the airwaves as a renegade disc jockey. Veteran Los Angeles DJ Jim Ladd co-stars in the film as a disc jockey.