Complex sentence: The film is notable in that it features a variety of actors who had, at the time, not yet reached their current level of stardom, including Heather Graham, Ryan Phillippe, Mena Suvari, Kathleen Robertson, and Denise Richards.
Split into simpler sentences: The film is notable in that it features a variety of actors who had, at the time, not yet reached their current level of stardom. Among them are Heather Graham, Ryan Phillippe, Mena Suvari, Kathleen Robertson, and Denise Richards.