| Tony Stark / Iron Man | 小罗伯特·唐尼
 | |
| Pepper Potts | 格温妮丝·帕特洛
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| Lt. Col. James 'Rhodey' Rhodes / War Machine | 唐·钱德尔
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| Natalie Rushman / Natasha Romanoff / Black Widow | 斯嘉丽·约翰逊
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| Justin Hammer | 山姆·洛克威尔
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| Ivan Vanko / Whiplash | 米基·洛克
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| Colonel Nick Fury | 塞缪尔·杰克逊
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| Agent Coulson | 克拉克·格雷格
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| Howard Stark | 约翰·斯拉特里
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| Senator Stern | 盖瑞·山德林
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| Jarvis (voice) | 保罗·贝坦尼
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| U.S. Marshal | 凯特·玛拉
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| Christine Everhart | 莱丝莉·比伯
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| Happy Hogan | 乔恩·费儒
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| Herself | Christiane Amanpour | |
| Detective Lemieux | Philippe Bergeron | |
| Security Force #1 | James Bethea | |
| Security Force #2 | Michael Bruno | |
| Expo Fan | Kate Clark | |
| Russian Newscaster | Luminita Docan | |
| French Photographer | Fran?ois Duhamel | |
| Himself | Larry Ellison | |
| Himself (as Adam 'DJ AM' Goldstein) | 亚当·高德斯坦
 | |
| Major Allen | 蒂姆·金尼
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| General Meade | Eric L. Haney | |
| 10 Rings Gangster | Ali Khan | |
| Anton Vanko (as Eugene Lazarev) | Yevgeni Lazarev | |
| Himself | 斯坦·李
 | |
| AV Operator | Isaiah Guyman Martin IV | |
| Rebecca | 海伦娜·马特森
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| Expo Cop | 凯斯·米德尔布鲁克
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| Rebeka | Anya Monzikova | |
| Bambi Arbogast | Margy Moore | |
| Chess Roberts | 奥立薇娅·玛恩
 | |
| Himself | Elon Musk | |
| Strawberry Vendor | Alejandro Patino | |
