Intelligent high school student who babysits her sister Julia. She inadvertently triggers a deadly threat by participating in prank calls to a serial killer. After confronting him at his home, she survives a targeted arson attack on her house, aided by a family dog and a neighbor.
High school classmates who bond over shared boredom and dangerous prank calls.
Kim becomes the primary target after Adrian misinterprets her prank call as a direct threat.
Stephen falsely accuses Kim of murder in the film's ambiguous final scene.
Explore the full interactive character relationship map of I Saw What You Did