In the document, it discusses stereotypes related to gender, age, race, and ethnicity that are commonly portrayed in thriller films. It then provides examples of how the student film "The Witness" addressed and avoided some of these stereotypes. Specifically, it notes that "The Witness" included both male and female protagonists and detectives, used actors of various ethnicities in major roles, cast the youngest looking actor as the victim but oldest looking as the villain, and generally tried to avoid typical stereotypes found in many thriller films.