<Li> Robert Foxworth as Ratchet The Autobot medical officer who transforms into a white and green 2004 Search and rescue Hummer H2 ambulance . </Li> <Li> John DiMaggio as Crosshairs An Autobot paratrooper and elite sniper who transforms into a black and green 2014 Chevrolet Corvette C7 Stingray . </Li> <Li> Mark Ryan as Lockdown An extremely powerful, relentless, heavily enhanced, ruthless Cybertronian bounty hunter who transforms into a grey 2013 Lamborghini Aventador LP 700--4 Coupe and is hired by the mysterious Creators to bring Optimus Prime back to them . </Li> <Li> Reno Wilson as Brains A former Decepticon drone turned Autobot who survived the Battle of Chicago and has lost his right leg . </Li>

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