Hasbro and Machinima have announced today that Mark Hamill and Ron Perlman will join the animated series Transformers: Prime Wars Trilogy.
Perlman will make his debut when the third and final chapter of the trilogy, Transformers: Power Of The Primes, debuts in the spring of 2018.
Hamill, who returns to the Transformers franchise after previously starring in Transformers: Rescue Bots, will make his debut as Megatronus (The Fallen) in the finale of the currently-running series Transformers: Titans Return, which will air on January 9, 2018.
Hamill will appear in the finale, while Perlman will debut in the third chapter, Transformers: Power of the Primes.