Chris Klein is an American actor and producer, best known for his role as Chris "Oz" Ostreicher in the popular film series American Pie. Born on March 14, 1979, in Chicago, Illinois, he began his acting career in the late 1990s and quickly gained recognition for his performances in various films and television shows. In addition to his work in film, Klein has appeared in several television series, including Everwood and The Flash. Over the years, he has taken on a variety of roles, showcasing his versatility as an actor. Klein continues to be active in the entertainment industry, contributing to both film and television projects.