Theater owner stages a singing contest to save theater. Blu ray Digital HD Year 2016 Theatrical Release 2016 12 21 Video Release 2017 03 21 Studio Universal Genre Comedy MPAA Rating PG CARA some rude humor and mild peril Color Color Runtime 108 Animated Animated Full Synopsis Set in a world like ours but entirely inhabited by animals, Sing stars Buster Moon Academy Award R winner Matthew McConaughey , a dapper Koala who presides over a once grand theater that has fallen on hard times. Buster is an eternal optimist okay, maybe a bit of a scoundrel who loves his theater above all and will do anything to preserve it. Now facing the crumbling of his life's ambition, he has one final chance to restore his fading jewel to its former glory by producing the world's greatest singing competition. Five lead contestants emerge A mouse Seth MacFarlane who croons as smoothly as he cons, a timid teenage elephant Tori Kelly with an enormous case of stage fright, an overtaxed mother Academy Award R winner Reese Witherspoon run ragged tending a litter of 25 piglets, a young gangster gorilla Taron Egerton looking to break free of his family's felonies, and a punk rock porcupine Scarlett Johansson struggling to shed her arrogant boyfriend and go solo. Each animal arrives under Buster's marquee believing that this is their shot to change the course of their life. Director Garth Jennings Cast Garth Jennings; Matthew McConaughey voice ; Reese Witherspoon voice ; Seth MacFarlane voice ; Scarlett Johansson voice ; John C. Reilly voice ; Taron Egerton voice ; Tori Kelly voice ; Nick Kroll voice ; Jennifer Saunders voice ; Peter Serafinowicz voice