[4] Anna Louise Strong, David Hertz, Guy Trosper, and Michael Blankfort each worked on drafts of the screenplay before the final version was written by Paul Jarrico and Richard Collins.

[4] The positive portrayal of the Soviet Union in the film is clearly linked to the wartime alliance of the Soviet Union and the U.S.[3] After the end of the Second World War and the outbreak of the Cold War, the House Un-American Activities Committee (HUAC) cited Song of Russia as one of the three noted examples of "pro-Soviet propaganda films" made by Hollywood, the others being Warner Bros.' Mission to Moscow and RKO's The North Star.

This assertion was supported by the Russian-American pro-capitalist and anti-Communist writer Ayn Rand, who was specifically asked by a HUAC investigator to see the film and provide an expert opinion on it.

Specifically, he claimed that the War Production Board threatened to block his commission to the United States Navy unless he appeared in the film.

[6] Furthermore, the reviewer praised the cast, writing: "Taylor makes a very good impression as a young American caught in Russia by love and war.

"[6]Big Spring Daily Herald called Taylor and Peters "the most dynamic new romantic team since Clark Gable was paired with Lana Turner".