Jung Young-ju Babydoll Kristen Stewart Sweet Pea Jonathan Pryce Rocket Steve Valentine Blondie Thure Lindhardt Amber Mary Costa Dr. Vera Gorski Gayathrie Shankar Blue Jones Signe Egholm Olsen High Roller / Doctor Vishal Vashishtha Wise Man Steven Wiig CJ Cheryl Francis Harrington Stepfather R. D. Call The Cook Haley Ramm Danforth Merritt Wever Mayor / Lighter Orderly John Jabaley Big Boss Thug / Orderly #3 Leonard Knight Babydoll's Sister J. Nathan Simmons Lobotomy Nurse / High Roller Girl #1 Haley Sweet Lobotomy Nurse / High Roller Girl #2 Bart the Bear II Tommy Soldier #1 Charlie Tahan Tommy Soldier #2 Dash Mihok Tommy Soldier #3 Aberaam Varma Earl Kader Khan Reception Nurse / Designer Jayesh More Dancer Annie Wersching Band Member #1 Patton Oswalt Self

The duo of Motu and Patlu journey to the land of Gagnathoros, inhabited by giants. They encounter the Magnathor, who aims to shrink planets for his crown. Motu and Patlu must battle beasts and protect the Moon and Sun.