Peter Cullen’s voice as Optimus Prime is one of the most iconic sound signatures in modern pop culture. Deep, calm, and resonant, Cullen delivers Prime not as a bombastic action hero but as a steady moral center — a leader defined by restraint, dignity, and empathy. When he speaks, there is gravity without aggression, resolve without cruelty. That vocal philosophy is part of why Optimus Prime has endured as a symbol of benevolent strength across generations. Cullen famously based the performance

Chris Hemsworth shares how his Orion Pax voice relates to Peter Cullen’s Optimus Prime in our #TransformersOne Big Ticket interview. Watch it on the big screen in theaters September 20. Get tickets NOW at Fandango. | Fandango