The final film for David Farrar, after which he retired to South Africa.
Average Shot Length = ~6.6 seconds. Median Shot Length = ~6.1 seconds.
The photos of ancient Greek ruins used during the main credits are directly comparable with the paintings used during the main credits of The Guns of Navarone (1961)
The film is listed in the annual "Screen World" for 1961 releases as "The Lion Of Sparta", but reappears with full photo coverage for the next issue (for 1962 releases) as "300 Spartans".