Transformers One producer and director explain why Chris Hemsworth is the perfect young Optimus Prime – and how he follows in Peter Cullen's footsteps

Transformers One.

For decades, Peter Cullen has provided the iconic voice of Transformers’ Optimus Prime. Upcoming film Transformers One, though, heads back to Cybertron to before Optimus Prime became leader of the Autobots – with a new actor rolling out into the recording booth.

Known as Orion Pax, the younger version of the character is now voiced by Chris Hemsworth. Speaking to GamesRadar+ at San Diego Comic-Con, Transformers One producer Lorenzo di Bonaventura explained why a different actor was chosen for the role.