Simplify the following text for a Grade 6 native English-speaking person.
Original: Mean Streets is a 1973 motion picture directed by Martin Scorsese and starring Robert De Niro and Harvey Keitel .
Simplified: Mean Streets is a 1973 drama film directed by Martin Scorsese and written by Scorsese and Mardik Martin . The film stars Harvey Keitel and Robert De Niro .