| Balthazar | 尼古拉斯·凯奇
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| Dave | 杰伊·巴鲁切尔
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| Horvath | 阿尔弗雷德·莫里纳
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| Becky | 泰莉莎·帕尔墨
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| Veronica | 莫妮卡·贝鲁奇
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| Drake Stone | 托比·凯贝尔
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| Bennet | 奥玛·本森·米勒
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| Morgana | Alice Krige
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| Young Dave | 杰克·切瑞
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| Merlin | James A. Stephens | |
| Sun-Lok | Gregory Woo | |
| Chinese Woman | Wai Ching Ho | |
| Young Dave's Pal (as Robert B. Capron) | 罗伯特·卡普荣
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| Young Becky (as Peyton Roi List) | 佩顿·利斯特
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| Russian Man | Sándor Técsy | |
| Russian Woman | Marika Daciuk | |
| Abigail Williams | 妮可·爱茵格
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| Ms. Algar | 安德莱内·列诺斯
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| Andre | 伊森·派克
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| NYU Clerk (as Manish Patel) | Manish Dayal | |
| Fry Cook | Oscar A. Colon | |
| Police Captain | Joe Lisi | |
| Police Officer | William Devlin | |
| Auto Impound Clerk | Victor Cruz | |
| Woman on the Street | Melissa Gallagher | |
| Bennet's Girlfriend | Parisa Fitz-Henley | |
| Student in Bathroom | Brandon Gill | |
| Chinese Dragon Carrier | Henry Yuk | |
| Mean Kid | Jordan Johnston | |
| African Boy | Izuchukwu Mozie | |
| Indian Boy | Amit Soni | |
| Hot Girl | Maha Chehlaoui | |
| Student #1 | Adria Baratta | |
| Student #2 | Rosie Moss | |
| Physics Student | Ian Alda | |
| Subway Mugger | Jason R. Moore | |
| Villager | Rohit Gaur | |
| Rain Kid | Ryan O'Callaghan | |
| Narrator (uncredited) | 伊恩·麦柯肖恩 | |
