In the episode, the group is in a time crunch and needs to quickly decipher Donald’s plan, so Gyro Gearloose (Jim Rash) forces Donald (Tony Anselmo) to use a futuristic voicebox. Suddenly, Donald’s normally quacky voice is transformed into the clear, commanding voice of Don Cheadle (“Avengers: Infinity War”).
Below, preview the upcoming finale and go behind-the-scenes as Cheadle records the role.
WATCH – DON CHEADLE VOICES DONALD DUCK FOR “DUCKTALES” FINALE:
This episode also brings back guest stars Lin-Manuel Miranda as Gizmoduck, Catherine Tate as Magica DeSpell, and Kimiko Glenn as Lena LeStrange.
The one-hour season finale of “DuckTales,” titled “The Shadow War!,” airs on Saturday, August 18, on Disney Channel, Disney NOW, and Disney Channel VOD.
Source: Oh My Disney