SWASHBUCKLING ADVENTURE! A rogue saved a King from the guillotine.

Dangerous Exile is a 1957 British historical drama film directed by Brian Desmond Hurst and starring Louis Jourdan, Belinda Lee, Anne Heywood and Richard O'Sullivan. It concerns the fate of Louis XVII, who died in 1795 as a boy, yet was popularly believed to have escaped from his French revolutionary captors.