Summary
- Chris Hemsworth replaces Peter Cullen as the voice of Optimus Prime in Transformers One, indicating a casting issue in Hollywood.
- Transformers One features a star-studded cast including Brian Tyree Henry, Keegan-Michael Key, Scarlett Johansson, Jon Hamm, and Laurence Fishburne.
- Hemsworth's casting is an attempt to add star power and attract more viewers to the declining Transformers franchise.