Several outlets are highlighting the best movies of robert de niro's career, with some ranking his films and others discussing his most iconic roles. There is disagreement about which of his movies is the greatest, with some sources citing his work in mafia films and others mentioning specific titles like "taxi driver" and "casino". Additionally, de niro has reportedly commented on one of his most famous lines, and a co-star has shared a personal anecdote about working with him.