In various interviews, Transformers voice actor Peter Cullen revealed how he came up with the distinct sound of Optimus Prime ...

EW can reveal that Peter Cullen, the legendary voice actor behind the Autobot leader, also makes a special guest voice appearance recorded just for the episode. In celebration of the Transformers ...

Peter Cullen, whose oeuvre ranges from Sonny and Cher to Winnie the Pooh, voiced the heroic robot-truck in the 1980s Transformers cartoons. He... Behind Optimus Prime (And Eeyore), One Man's Signature ...

Marvel veteran Chris Hemsworth says he never wanted to mimic longtime Optimus Prime actor Peter Cullen when playing a younger version of the character in the upcoming animated film, Transformers One.

Transformers: Prime is one of the best Transformers cartoons thanks to its exemplary voice cast, which includes a pair of beloved Star Trek and horror alums.

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 film, ...