He is also one of the well-known veteran actor/director of Hollywood.
Why do you like Robert De Niro so much?
As, he is a famous American actor  for his uncompromising portrayals of violent and abrasive characters.
What do you think was his bet role?
What is "Bet role"? I am really confused. Who is your favorite Actor?
What do you think was his best role?
"Taxi Driver" (1976) One of the greatest American films ever made. Who is your favorite Actor?
What was taxi driver about? My favorite is hoosiers/
A mentally unstable veteran works as a nighttime taxi driver in New York City, where the perceived decadence and sleaze fuels his urge for violent action by attempting to liberate a presidential campaign worker and an underage prostitute.
Do you like hoosiers?