Is Peter Cullen still voicing Optimus Prime?Ĭullen was the original voice of Optimus Prime in the Transformers first outing in the 1984 cartoon series. He is best known as the voice of Optimus Prime in the original 1980s Transformers animated series, reprising the role many times since 2007….Video games. Peter Claver Cullen (born July 28, 1941) is a Canadian voice actor.
