Coin operated jukeboxes during WWII were able to play video as well as the audio and this here is one example of that. Ray Noble and His Orchestra get the top billing here but we've also got Snooky Lanson and a couple other performers chipping in to sing the title song.
Serials usually spawned feature film versions, but with this film, it was the other way around. A 1932 Buck Jones Western, White Eagle was made into a serial nine years later, again starring Jones in the title role, a (supposedly) Native American Pony Express Rider defending his people against a gang of evil Whites.
A man murdered at the Saint's doorstep manages to utter a few words to Simon Templar before he dies, sending him off to the quaint resort village of Baycombe where he confronts crime mastermind 'The Tiger' and his gang as they plan to smuggle gold bullion out of the country.