“Be afraid of the dark.”The Autobots continue to work for NEST, now no longer in secret. But after discovering a strange artifact during a mission in Chernobyl, it becomes apparent to Optimus Prime that the United States government has been less than forthright with them.DirectorMichael BayStarringShia LaBeoufSam WitwickyRosie Huntington-WhiteleyCarlyPeter CullenOptimus Prime (voice)Leonard NimoySentinel Prime (voice)John TurturroSimmonsFrances McDormandMearingJosh DuhamelLennoxTyrese GibsonEppsPatrick DempseyDylanHugo WeavingMegatron (voice)John MalkovichBruce BrazosKevin DunnRon Witwicky