Simplify the following text for a Grade 6 native English-speaking person.
Original: Righteous Kill is a 2008 crime thriller film with elements of a buddy cop film directed by Jon Avnet , and starring Robert De Niro and Al Pacino .
Simplified: Righteous Kill is a 2008 crime thriller . Starring in this film are Robert De Niro , Al Pacino , John Leguizamo and Donnie Wahlberg .