Chris Hemsworth and Brian Tyree Henry star in the film as younger versions of OptimusPrime and Megatron ... and B-127 (Keegan-Michael Key), later known as the popular hero Bumblebee. The cast ...
In Transformers One, Sentinel Prime is voiced by Jon Hamm who has had notable voice roles before in the likes of MODOK, Minions and Shrek Forever After, as well as voicing himself in Family Guy and ...