most famous living american actor
1 The best most famous American actor is Marlon Brando, and he sits atop this list because his death has only immortalized him into a more planet-sized legend. 2  From his classic line Stella! to other unforgettable pieces of acting in erotic films like Last Tango in Paris, Brando is synonymous with American cinema.hese American actors are not merely mortal human beings like the rest of the populationâthey are forever immortalized as semi-divine on the silver screen. 1  Marlon Brando. 2  Clark Gable. 3  Johnny Depp. 4  Robert DeNiro. 5  Sean Penn. 6  Humphrey Bogart. 7  Al Pacino. 8  Leonardo DiCaprio. 9  James Stewart. 10  Michael Douglas.