In Oct. 1957, this film was being shown on a double bill with Atalho Para o Inferno (1957), largely on the drive-in theater circuit.
The film's world premiere was at the Victory Drive-In Theater in North Hollywood California with Cornel Wilde and co-star/wife Jean Wallace making a personal appearance driving a custom race car.
Released in the UK in January 1958 on a double bill with "Zero Hour!".
This movie was released in the United States on 10/4/1957. That's the same day the Soviets launched Sputnik; it's also the same day that the first episode of Leave It to Beaver (1957) was broadcast.