The director announced the casting on his web site www.MichaelBay.com. Bay has used his site to introduce nine of the vehicles he’s using in the tentpole, which began shooting in late May. 邁克爾-貝在他的官方網站上公布了演員名單。邁克爾-貝之前已經通過他的網站介紹了這部大片中的9輛汽車，影片已于5月底開始拍攝。

　　“He’s one of Asia’s top stars in the worlds of music, television and movies and has become one of the most influential entertainers in China,” Bay said. “Now he’ll also be known for ‘Transformers 4.’ Welcome Han Geng to the cast of ‘Transformers 4.’” “他是最棒的亞洲明星之一，無論在音樂上，電視上還是電影中，他已經成為了中國最有影響力的明星之一，” 邁克爾-貝這樣寫道。“現在他還將因《變形金剛4》而聞名，歡迎韓庚加入《變形金剛4》。”

　　Geng began his career with the Korean pop group Super Junior. Paramount has set a June 27, 2014, release date. 韓庚以韓國組合Super Junior 成員的身份出道走紅。派拉蒙公司宣布《變形金剛4》將于2014年6月27日上映。