The new animated Transformers entry, Transformers One, boasts an A-list voicecast straight out of the top drawer, including Chris Hemsworth, Brian Tyree Henry, Scarlett Johansson, Keegan Michael Key, Steve Buscemi, Laurence Fishburne, and Jon Hamm. Oscar winner Josh Cooley of Toy Story 4 fame directs from a script by Eric Pearson, Andrew Barrer, and Gabriel Ferrari.