watch 01:27 The Loop (Movies) Do you like this video? This article is missing significant information. Help MOVIEPEDIA by contributing to it. The Butterfly Effect is a 2004 American science fiction thriller film written and directed by Eric Bress and J. Mackye Gruber, starring Ashton Kutcher and Amy Smart. Retrieved from "https://movies.fandom.com/wiki/The_Butterfly_Effect?oldid=178571" Categories: Film Guide stubs 2000s films Films Science Fiction films Thriller films 2004 films English-language films 2000s drama films 2000s fantasy films 2000s psychological thriller films 2000s science fiction films American drama films American films American science fiction thriller films Directorial debut films Films about fraternities and sororities Films about mathematics Films set in 1989 Films set in 1995 Films set in 2002 Films set in 2010 Films set in Manhattan Films shot in Vancouver Time loop films Films about time travel Alternate timeline films Films about animal cruelty Community content is available under CC-BY-SA unless otherwise noted.