Patrick H. Caddell was a writer, producer and consultant on The West Wing. Hired as a consultant during season 1, he co-wrote several episodes during the first two seasons and was a co-producer during season 2. He continued to serve as a consultant through Season 4. Caddell had previously served as a campaign adviser and a political consultant on many films, including Air Force One (with Glenn Close, Glenn Morshower, Xander Berkeley, Tom Everett, Spencer Garrett, Philip Baker Hall and Don McManus).