Born in St. Petersburg, Russia. He was head of the studio music department at Paramount from 1936 until 1940 and, as such, has over 100 film music credits. Morros began to produce films in 1939, and his credits include Laurel and Hardy's THE FLYING DEUCES (1939), Fred Astaire and Paulette Goddard in SECOND CHORUS (1940), Fox's all-star TALES OF MANHATTAN (1942), and the forgettable CARNEGIE HALL (1947) and A TALE OF FIVE CITIES (1951). In his book Ten Years a Counterspy, Morros revealed that he had been a double agent who spied for the Soviet Union from 1934 until 1955, and for the US from 1945. The book was the basis for the 1959 film MAN ON A STRING, with Ernest Borgnine playing Morros' character, "Boris Mitrov."    Nominated for Music Scoring Awards (Best Score) 1936: THE GENERAL DIED AT DAWN - as head of department    Nominated for Music Scoring Awards (Best Score) 1937: SOULS AT SEA - as head of department    Nominated for Music Scoring Awards (Best Score) 1938: TROPIC HOLIDAY 3 nominations