 In 1966, Heyward was made AIP's Director of Overseas Productions, and set up a London-based office of operations in 1967.He produced several European and British films from 1967–1972, all co-financed by AIP with Heyward maintaining a degree of control over the various productions in order to ensure the movies were suitable for release in both the U.S. and European markets.In this capacity, he assisted in the production of some of AIP's most critically acclaimed and profitable films of that period, including Michael Reeves's "Witchfinder General" (1968), "The Abominable Dr. Phibes" (1971), and "Dr. Phibes Rises Again" (1972), all starring Vincent Price.