This pair have such fantastically characterful faces - can’t you just picture them in some fine old early film, the bit-part actors playing the quirky minor characters who steal the show from the more conventional-looking leading man.
A kind and knowledgeable reader has sent in some more information on this particular picture - on the right is Jean Cocteau and on the left Darius Milhaud : I had no idea they were such noteworthy people when first captivated by their photograph, familiar with Cocteau’s work but not his face!