There is one major constant, though. Optimus Prime will sound the same as he always has. Peter Cullen is once again going to provide the stoic voice for the leader of the Autobots.

It just rang a bell, and I was cast in that part. I guess people somehow picked up on that.” Cullen has voiced Optimus Prime since the original “The Transformers” show debuted in 1984.

Peter Cullen was the first actor to voice Optimus Prime, in the 1980s TV cartoon. Image: AP On landing the role of Optimus Prime in the 1980s cartoon I auditioned like everybody else.

Cullen has been a voice actor since the '70s. He is most famously the voice of Optimus Prime in the animated and live-action Transformers, Eeyore in Winnie the Pooh and Zandar in G.I. Joe.

Cullen’s work — which Hemsworth says he homages rather than mimics — can be felt toward the end of the movie, which serves as an origin story for Optimus Prime and Megatron. For much of the ...

Peter Cullen, the actor who traditionally voices Transformers star Optimus Prime, is so synonymous with the character, you practically hear his voice when you think of the character.

Transformers Webcast pops up – Peter Cullen confirmed as voice of Optimus Prime Our own sister-site Cinematical picked up on this a few days ago, as it seems Alex Kurtzman and Roberto Orci ...