Kindergarten Cop is a 1990 American comedy film directed by Ivan Reitman and starring Arnold Schwarzenegger as John Kimble, a tough police detective, who must go undercover and pose as a kindergarten teacher to catch drug dealer Cullen Crisp (Richard Tyson), before he can get to his ex-wife and son. Along the way, he discovers his passion for teaching and considers changing his profession to become an educator.