Hasbro, a global play and entertainment company, and Machinima, the premiere digital video programmer of gamer and fandom-focused content, announced today that Mark Hamill and Ron Perlman (Hellboy) will be joining the Transformers: Prime Wars Trilogy.

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 and will air on January 9, 2018. One of the Thirteen Original Primes, Megatronus was exiled from Cybertron after murdering one of the other Thirteen, Solus Prime, effectively becoming the first Decepticon. In the finale episode of Transformers: Titans Return, he stays true to his past in a deadly showdown with one of the show's beloved heroes.

Perlman will make his debut when the third and final chapter of the trilogy, Transformers: Power Of The Primes, debuting in the spring of 2018. Perlman, who will be voicing Optimus Primal, will be joined by a host of new and returning talent including fan favorites Hamill, Judd Nelson as Rodimus Cron, Wil Wheaton as Perceptor, Jaime King (Star Wars: The Clone Wars) as Solus Prime, WWE superstar Samoa Joe as Predaking, DashieGames (Menasor), MatPat (Computron) and Rob Dyke (Devastator).

Related: Meet the Voice Behind Optimus Prime in Transformers: Combiner Wars | EXCLUSIVE

Power of the Primes continues the massive worldwide interest in Transformers: Combiner Wars. Since launching the trilogy's first installment of the digital series in August 2016, Transformers: Combiner Wars has garnered more than 150 million global views across a variety of platforms. The Titans Returns finale and Powers Of The Primes debut on go90 worldwide, except in China, where it airs on Sohu.com and Japan. Powers of The Primes features 10 episodes at approximately 11 minutes per episode.

Transformers: Power Of The Primes is being overseen by Executive Producer and showrunner FJ DeSanto, written by Adam Beechen and directed by YUZO. Animation for the show is being overseen by Tatsunoko Productions, a Japanese production company.

New talent for Power of the Primes: Ron Perlman (Optimus Primal), Star of the original Hellboy franchise, Sons of Anarchy, Hand of God, and Adventure Time. Jamie King (Solus Prime), star of Hart of Dixie and Star Wars: The Clone Wars. Gregg Berger (Grimlock/Volcanicus), the original voice of Grimlock from the 1986 film The Transformers: The Movie. Nuufolau Joel Seanoa (Samoa Joe) (Predaking), Professional wrestler currently signed to WWE. Mikey Way (Snarl), Musician best known as the bassist from the rock band My Chemical Romance.

Returning talent: Mark Hamill (Megatronus), star of the Star Wars franchise. Also known for his work as the The Joker in various animated Batman projects. Wil Wheaton (Perceptor), tar of The Big Bang Theory and Star Trek: The Next Generation. Judd Nelson (Rodimus Cron), star of The Breakfast Club and St. Elmo's Fire and the original voice of Hot Rod/Rodimus Prime from the 1986 animated film The Transformers: The Movie. Kari Wahlgren (Victorion), well known voice over actress with credits including Rick and Morty, The Fairly Odd Parents, and Phineas and Ferb. Jason Marnocha (Megatron), actor from Bat In the Sun's popular YouTube series Super Power Beat Down. Previously voiced the character of Megatron in Combiner Wars and Titans Return. This latest update comes to us direct from Hasbro.