Derek Ford (6 September 1932, Essex – 19 May 1995) was an English film director and writer, most famous for sexploitation films such as The Wife Swappers (1970), Suburban Wives (1971), Commuter Husbands (1972), Keep It Up, Jack (1973), Sex Express (1975) (also filmed in a graphic hardcore version), What's Up Nurse! (1977) and What's Up Superdoc! (1978). Ford began as a writer in collaboration with his brother Donald Ford (died 1991), originally for radio before progressing to television (The Sa ...