Shia LaBeouf Sam Witwicky Megan Fox Mikaela Banes Mark Ryan Bumblebee (voice) Peter Cullen Optimus Prime (voice) Hugo Weaving Megatron (voice) Josh Duhamel Captain Lennox Tyrese Gibson USAF Tech Sergeant Epps Rachael Taylor Maggie Madsen Anthony Anderson Glen Whitmann Jon Voight Defense Secretary John Keller John Turturro Agent Simmons Michael O'Neill Tom Banacheck Kevin Dunn Ron Witwicky Julie White Judy Witwicky Amaury Nolasco ACWO Jorge 'Fig' Figueroa Zack Ward First Sergeant Donnelly Luis Echagarruga Ranger Team Patrick Mulderrig Ranger Team Brian Shehan Ranger Team Michael Trisler Ranger Team Ashkan Kashanchi Mahfouz Rizwan Manji Akram William Morgan Sheppard Captain Witwicky C.J. Thomason Sailor Bernie Mac Bobby Bolivia Carlos Moreno Jr. Manny Johnny Sanchez Clown John Robinson Miles Travis Van Winkle Trent Glenn Morshower SOCCENT Sergeant Chris Ellis Admiral Brigham Steven Ford Four Star General Scott Peat Pentagon Watch Commander Brian Stepanek Sector Seven Agent Wiley M. Pickett FBI Agent Ravi Patel Telephone Operator Rick Gomez Sheriff Jamison Yang Analyst Esther Scott Glen's Grandmother Andrew Lewis Caldwell Café Kid J.P. Manoux Witness Pete Gardner Dad Michael Adams AWACS Controller Jess Harnell Ironhide / Barricade (voice) Reno Wilson Frenzy (voice) Michael Bay Guy Flicked by Megatron (uncredited) Omar Benson Miller Glen's Cousin (uncredited)