| 角色 | 饰演者 | 角色介绍 |
| Will Rodman | 詹姆斯·弗兰科 | |
| Caroline Aranha | 芙蕾达·平托 | |
| Caesar | 安迪·瑟金斯 | |
| Charles Rodman | 约翰·利特高 | |
| John Landon | 布莱恩·考克斯 | |
| Dodge Landon | 汤姆·费尔顿 | |
| Steven Jacobs | 大卫·奥伊罗 | |
| Robert Franklin | 泰勒·拉拜 | |
| Rodney | 杰米·哈里斯 | |
| Hunsiker | 大卫·休莱特 | |
| Chief John Hamil | 泰·奥尔森 | |
| Alice Hunsiker | 麦迪逊·贝尔 | |
| Alice Hunsiker (Teen) | Makena Joy | |
| Animal Control Officer #2 | 肖恩·泰森 | |
| Boy in Muir Woods | 杰克·库里斯 | |
| Bridge Driver | Tammy Hui | |
| CHP #2 | Rufus Dorsey | |
| CHP #1 | Kyle Riefsnyder | |
| CHP #3 | Anthony McRae | |
| Dad in Muir Woods | Jeb Beach | |
| Donnie Thompson | 杰西?里德 | |
| Dottie | B.J. Harrison | |
| Party Girl #1 | Leah Gibson | |
| Party Girl #2 | 崔茜·史皮瑞达可斯 | |
| Handler @ Lab #1 | Ivan Wanis-Ruiz | |
| Handler @ Lab #2 | Trevor Carroll | |
| Irena | Chelah Horsdal | |
| Janitor - Stan Timko | Timothy Webber | |
| Lab Tech. #1 | James Pizzinato | |
| Lab Tech. #2 | Robin Nielsen | |
| Lab Tech. #3 | Monica Mustelier | |
| Lab Tech. #4 | Syn Narula | |
| Linda | Mattie Hawkinson | |
| South Side Commander | Ryan Booth | |
| Local Guy | Gordon Douglas Myren | |
| Mom in Muir Woods | 伊丽莎白·温斯坦 | |
| New Aide | Meredith Grantier | |
| Newspaper Dad | Javier Caballero Cano | |
| Newspaper Boy #1 | Peter Bundic |
