Jon Hamm (Sentinel Prime) stars in PARAMOUNT ANIMATION and HASBRO Present In Association with NEW REPUBLIC PICTURES TRANSFORMERS ONE is the untold origin story of Optimus Prime and Megatron ...

Voice cast: Chris Hemsworth, Brian Tyree Henry, Scarlett Johansson, Keegan-Michael Key, Steve Buscemi, Laurence Fishburne, and Jon Hamm ... Optimus Prime, Megatron and the rest of the Transformers ...