Adventure Time: The Hero of Ooo is a 2017 American animated/live-action musical comedy-adventure film based on the Cartoon Network series, Adventure Time.
- Jeremy Shada as Finn
- John DiMaggio as Jake
- Niki Yang as BMO, Lady Rainicorn
- Hynden Walch as Princess Bubblegum
- Olivia Olson as Marceline
- Pendleton Ward as Lumpy Space Princess
- Tom Kenny as Ice King
December 12, 2017
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