Cast

• Shia LaBeouf stars as Sam Witwicky
• Megan Fox plays Sam's crush, Mikaela Banes
• Josh Duhamel and Tyrese Gibson play the soldiers, Army Ranger Captain William Lennox and Air Force Technical Sergeant Robert Epps
• John Turturro plays Reggie Simmons, a Sector 7 agent
• Rachael Taylor plays Maggie Madsen, who assists the Department of Defense in decoding the virus left by Frenzy
• Peter Cullen voices Optimus Prime
• Mark Ryan voices Bumblebee
• Darius McCrary voices Jazz
• Jess Harnell voices Ironhide
• Robert Foxworth voices Ratchet
• Hugo Weaving voices Megatron
• Charlie Adler voices Starscream
• Reno Wilson voices Frenzy
• Jess Harnell voiced Barricade
• Jim Wood voices Bonecrusher