The Iron Curtain is a 1948 American thriller film starring Dana Andrews and Gene Tierney, directed by William A. Wellman. It was the first film on the Cold War. The film was based on the memoirs of Igor Gouzenko. Principal photography was done on location in Ottawa, Ontario, 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 20th Century-Fox, the film's distributor, in New York court, for using musical works of his that could not be excluded from the public domain. However, the plaintiffs were victorious in the French analog Société Le Chant du Monde v. Société Fox Europe and Société Fox Americaine Twentieth Century.