Magnum Dopus (2020) 2020 Documentary Movie Name Magnum Dopus (2020) Directed by Josh Roush Starring by Kevin Smith Jason Mewes Ben Affleck Harley Quinn Smith Melissa Benoist Joey Lauren Adams Rosario Dawson Justin Long Joe Manganiello Frankie Shaw Genres Documentary Country United States of America Language English Overview A behind the scenes look at the making of Jay & Silent Bob Reboot.