Carry On Don't Lose Your Head
The time of the French revolution, and Citizen Robespierre is beheading the French aristocracy. When word gets to England, two noblemen, Sir Rodney Ffing and Lord Darcy take it upon themselves to aid their French counterparts. Sir Rodney is a master of disguise, and becomes "the black fingernail", scourge of Camembert and Bidet, leaders of the French secret police...
Starring
Watch "Carry On Don't Lose Your Head" from streaming services Amazon, britbox-britbox-subscription released in 1966. It's a comedy and action & adventure movie, and has a rating of 6.5 out of 10 from Imdb which is usually fine for this kind of movie.