Simplify the following text for a Grade 9 native English-speaking person.
Original: The movie stars Gregory Peck , Lee Remick , David Warner , Harvey Stephens , Billie Whitelaw , Patrick Troughton , Martin Benson , and Leo McKern .
Simplified: The film stars Gregory Peck , Lee Remick , David Warner , Harvey Stephens , Billie Whitelaw , Patrick Troughton , Martin Benson and Leo McKern .