Reg Owen began playing the saxophone at the age of 15. He played in local groups such as Teddy Joyce's Juveniles and the Royal Kiltie Juniors, before founding his own ensemble whilst still in his teens. He studied with Benny Glassman and then attended the Royal College of Music. During World War II he played in the Bomber Command Band of the RAF, then arranged for Ted Heath and Cyril Stapleton after 1945. In 1954, he had his name legally changed to Reginald Owen. He published a book, the Reg Owen Arranging Method, in 1956, and began writing film scores in 1957; among his credits are Very Important Person (1961).