[1] After leaving the City College of New York, Sperling entered the film industry by working at Paramount's Astoria Studios as a shipping clerk.
Sperling later did more screenwriting, credited and uncredited, for 20th Century Fox, becoming a film producer in 1941, with his first productions being Sun Valley Serenade then I Wake Up Screaming, both in 1941.
Sperling also enlisted in the Marines with orders to attend Military Intelligence school but still had several films to complete before leaving the studio.
[5] Sperling named his company "United States Pictures" with his first of 14 films released under the label being Cloak and Dagger.
Sperling later produced a Spanish made "Spaghetti Western" with Lee Van Cleef in the role of Captain Apache (1971), then several television movies until his death from cancer in 1988.