He's worked on projects most of his "Transformers" fans likely don't know about, so there are more than a few little-known facts about the man behind the voice of Optimus Prime for fans to dive into.

The star-studded voice cast of the Josh Cooley-directed film includes Chris Hemsworth, Brian Tyree Henry, Scarlett Johansson, Keegan-Michael Key, Steve Buscemi, Laurence Fishburne and Jon Hamm.

The highly anticipated "Transformers One" movie tells the story of how Optimus Prime and Megatron went from allies to enemies. Natalie Morales sits down with Chris Hemsworth, who voices a young ...