a fellow former Decepticon drone. Charlie Adler as Starscream , Megatron's second-in-command. Jess Harnell as Ironhide , the Autobots' cantankerous weapons specialist. Robert Foxworth as Ratchet , the Autobots' medical officer. James Remar as Sideswipe , a silver Chevrolet Corvette Stingray Concept. Francesco Quinn as Dino/ Mirage , an Autobot Spy