The Iron Curtain is a 1948 black-and-white thriller film starring Dana Andrews and Gene Tierney, directed by William Wellman. The film was based on the memoirs of Igor Gouzenko. Principal photography was done on location in Ottawa, Canada by Charles G. Clarke. The film was later re-released as Behind the Iron Curtain. In Shostakovich v. Twentieth Century-Fox, Russian composer Dmitry Shostakovich unsuccessfully sued the film's distributor, Twentieth Century-Fox Film Corporation, in New York court, for using musical works of his that had fallen into the public domain.