You can't change who people are without destroying who they were. The Butterfly Effect - Directors Cut The Butterfly Effect is directed by Eric Bress and Bress co-writes the screenplay with J. Mackye Gruber. It stars Ashton Kutcher, Melora Walters, Amy Smart, Elden Henson, William Lee Scott, Eric Stoltz and Ethan Suplee. Music is by Michael Suby and cinematography by Matthew F. Leonetti. The title refers to the butterfly effect, the chaos theory of a popular hypothetical situation that illustrates how small initial differences may lead to large unforeseen consequences over time. T...