《变形金刚：月黑之时》是《变形金刚》系列电影的第三部。在该部影片中，擎天柱将率领着“汽车人”继续与第二集失败后卷土重来的“霸天虎”作战。《变形金刚：月黑之时》将是迈克尔·贝执导的变形金刚真人电影系列其中的一部，影片将以2D、3D形式公映。主演有希亚·拉博夫、罗茜·汉丁顿-惠特莉、乔什·杜哈明等。
| 角色 | 演员 | 备注 |
|---|---|---|
| Sam Witwicky | 希亚·拉博夫\Shia LaBeouf | |
| Carly | 罗茜·汉丁顿·惠特莉\Rosie Huntington-Whiteley | |
| Major William Lennox | 乔什·杜哈明\Josh Duhamel | |
| Megatron | 雨果·维文\Hugo Weaving | |
| Sentinel Prime | 伦纳德·尼莫伊\Leonard Nimoy | |
| Dylan | 帕特里克·德姆西\Patrick Dempsey | |
| Bruce | 约翰·马尔科维奇 John Malkovich | |
| Robert Epps | 泰瑞斯·吉布森\Tyrese Gibson | |
| Marissa Faireborn | 弗兰西斯·麦克多蒙德\Frances McDormand | |
| Dutch | 艾伦·图代克\Alan Tudyk | |
| Simmons | 约翰·特托罗\John Turturro | |
| Soundwave | 弗兰克·维尔克\Frank Welker | |
| Wheelie | 汤姆·肯尼\Tom Kenny | |
| Optimus Prime | 彼特·库伦\Peter Cullen | |
| Erica Banes | Karyn Parsons | |
| Silverbolt | James Avery | |
| Mearing's Aide | Keiko Agena | |
| Ron Witwicky | 凯文·杜恩\Kevin Dunn | |
| Judy Witwicky | 朱丽叶·怀特\Julie White | |
| Ratchet | 罗伯特·福克沃斯\Robert Foxworth | |
| Jessica Morgan | Kym Whitley | |
| Hardcore Eddie | Mighty Rasta | |
| General Morshower | 格伦·莫肖尔\Glenn Morshower | |
| Starscream | Charles Adler | |
| Ironhide | 杰斯·哈梅尔\Jess Harnell | |
| Lt. Sulemani | Anthony Azizi | |
| Russian | Elena Kolpachikova | |
| Stevens | Kevin Sizemore | |
| Russian Bartender | Kathleen Gati | |
| General Morshowers | Lamonica Garret | |
| NASA scientist | AideDavid St. James | |
| Berated NASA Scientist | Darren O'Hare | |
| Jack | Jack Donner | |
| NASA Scientist | Lindsey Ginter | |
| President | 布雷特·史泰利\Brett Stimely | |
| Pimply Executive | Chris Sheffield | |
| USAF Tech Sergeant Allen | Scott Levy | |
| Executive Interviewer | Michael Loeffelholz | |
| Baby Face Soldier | Markiss McFadden | |
| Secret Service | Bob Kaye | |
| USN Lt. Brenneman | Joel Shock | |
| SWAT Team Leader | Darcy Leutzinger | |
| Josh | Robert Herrick | |
| Sergeant Nelson | Scott C. Roe | |
| Marissa Faireborn's Secret Service Agent | David Hutchison | |
| Secretary | Annie Hsu | |
| Air Force Pilot | Denny Torich | |
| Lennox's Team - Zimmerman | Rob Guzzo | |
| Tracking Station Crew | Matt McVay | |
| Mearing's Aide #2 | Jason Endicott | |
| Lt. Col. NEST Aide. | Steve Hersack | |
| Chuck | Morgan Williams |