Thriller film openings typically introduce the protagonist and set up their encounter with the antagonist. They build tension through techniques like quick cuts, unsettling music, and shadowy lighting to keep audiences on the edge of their seats. Legally, films include copyright warnings and production company logos before titles introduce the director, producers, and lead actors. The thriller film "Panic Room" starts with an establishing shot of New York City set to tense music to immediately immerse viewers in the thriller genre. Within two minutes, the main characters and setting are established to move the plot along at a fast pace.