| Brant | 杰森·斯坦森
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| Nash | 帕迪·康斯戴恩
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| Weiss | 艾丹·吉伦
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| Falls | 扎威·阿什顿
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| Dunlop | 大卫·莫瑞瑟
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| Radnor | 奈德·丹内利
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| Roberts | 马克·里朗斯
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| Stokes | 卢克·伊万斯
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| Superintendent Brown | Nicky Henson | |
| Metal (as Steven Harwood Brown) | Steven Harwood-Brown | |
| Dr. Leonard | Bill Champion | |
| McDonald | 理查德·瑞德尔
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| Cross | Ron Donachie
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| Sandra (as Ellie Fairman) | Elly Fairman
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| Precocious PC | Alex Lanipekun
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| Cab Driver 1 | Mark Roper | |
| Cab Driver 2 | Ranjit Krishnamma | |
| Witness | Nabil Elouhabi
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| Simons | Del Synnott | |
| Theo Nelson | 约瑟夫·戴浦西
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| Puggy | Mickey Hughes | |
| Pavel | Srdjan Soric
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| Computer Geek (as Greg Finnegan) | Gregory Finnegan
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| Drug Buddy | David Keyes | |
| Gym Assistant | Taylor James | |
| Hoodie 1 (as Aldonio Freitas) | Aldonio Danny Freitas | |
| Hoodie 2 | Mens-Sana Tamakloe | |
| Hoodie 3 | Michael Byrch | |
| Hoodie 4 | Ralph Laurila | |
| Hoodie 5 | Reece Beaumont | |
| Hoodie 6 | Jack Bence | |
| Jenkins | 嘉敏·肯纳
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| Forensic Officer | Martina Laird | |
| Wellesley Barman | Felix Scott | |
| Funeral Attendant (as Rupert Holliday Evans) | Rupert Holliday-Evans | |
| WPC | Christina Cole | |
| Swearing Girl | Jessica Swain | |
| Shopper (uncredited) | Des Barron | |
