The Citadel: The first picture under the contract and the first under the Screen Directors Guild (SDG) was "The Citadel" in 1938. Filmed in England at a time the British government and trade unions had placed restrictions designed to extract a portion of the highly lucrative American movie exports to the British Isles. M-G-M, as a tactical olive branch, agreed to hire British actors as cast members for "The Citadel" and provided them generous compensation. (American actress Rosalind Russel and Vidor were the only two non-Britons who served on the film's production).