Schwartz, best known for Parks and Recreation, is currently voicing Dewey in the Ducktails reboot.
Jim Carrey, Tika Sumpter and James Marsden will also star of the upcoming film, which will be out in November 2019. Jeff Fowler, who made the 2005 animated short Gopher Broke, is handling directing duties.
As io9 previously reported, Jim Carrey will be playing Dr. Robotnik. The character will be live-action, and according to Deadline (via Eurogamer), when asked how he will bring the character to life, Carrey joked, Magic! Mixed with desperation.”