Official ONWARD Trailer and Trailer Reaction Enjoy the official ONWARD trailer and trailer reaction! The film, written and directed by Dan Scanlon (Monsters University), stars the voice talents of Tom Holland, Chris Pratt, Julia Louis-Dreyfus, and Octavia Spencer. ONWARD will be released in theaters on March 6, 2020. Set in a suburban fantasy world, two teenage elf brothers, Ian and Barley Lightfoot, go on an journey to discover if there is still a little magic left out there in order to spend one last day with their father, who died when they were too young to remember him.