Marlon Brando was in a film by a human with the middle name Leo.
Jung Taek-woon ( , born on November 10 , 1990 ) , better known by his stage name Leo , is a South Korean singer , songwriter and musical theatre actor , signed under Jellyfish Entertainment . Marlon Brando . ; Mark Antony in Joseph L. Mankiewicz 's 1953 film adaptation of Shakespeare 's Julius Caesar ; and Air Force Major Lloyd Gruver in Sayonara ( 1957 ) , an adaption of James Michener 's 1954 novel .