Chris Hemsworth on bringing a new voice to Optimus Prime - CBS News
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 Optimus Prime, to discuss his role alongside a star-studded cast that includes Scarlett Johansson and Keegan-Michael Key.