Simplify the following text for a Grade 8 native English-speaking person.
Original: Burtt discovered records at Warner Brothers from the editor of Distant Drums including a short list of names of actors scheduled to record lines of dialogue for miscellaneous roles in the movie .
Simplified: Burtt discovered records at Warner Brothers from the editor of Distant Drums . These records include a short list of names of actors scheduled to record lines of dialogue for roles in the movie .