Who was a famous actor from the same era as marlon brando that had a strange mustache?

A famous actor from the same era as Marlon Brando who sported a distinctive mustache is Groucho Marx. Known for his comedic talent and unique persona, Groucho often wore a thick, exaggerated mustache along with glasses and a cigar, which became iconic elements of his character. His contributions to film and comedy in the mid-20th century made him a memorable figure alongside Brando's dramatic brilliance.