John T. Dugan

Known for

Little House on the Prairie

Columbo

Adam-12

Mission: Impossible

Star Trek

Biography

John T. Dugan was an American screenwriter. He wrote for television programs, including Bonanza, Mr. Novak, 12 O'Clock High, Dr. Kildare, Adam-12, Star Trek: The Original Series, Ben Casey, Mission: Impossible, Columbo and Little House on the Prairie.