| 角色 | 饰演者介绍 |
| Ma Yau/Die Hard (John Ma/Boomer in US version) | 成龙 |
| Barbara | 张曼玉 |
| Tarzan (Tyson in US Version) (as Teddy Robin) | 泰迪罗宾 |
| Tammy | 利智 |
| Rocky | 陆剑明 |
| Crazy Kung | 黄志强 |
| Hotel Staffer | 陈友 |
| Hotel Manager | 陈欣健 |
| Twins' Mother | 张艾嘉 |
| Boss Wing | 张坚庭 |
| Cashier | 张之亮 |
| Car Mechanic | 林岭东 |
| Orchestra Member | 张同祖 |
| Hotel Security (as John Keung) | 姜大卫 |
| Uncle Tang (Tammy's Father) | 楚原 |
| Doctor | 刘家良 |
| Gang Leader (as Lai Ying Chow) | 黎应就 |
| Car Mechanic (as Ng Sze Yuen) | 吴思远 |
| Priest (as John Wu) | 吴宇森 |
| Man on Phone | 曾志伟 |
| Car Mechanic | 徐克 |
| Priest | 徐小明 |
| Twins' Father | 黄沾 |
| Thug | 王龙威 |
| Waiter | 胡大为 |
| Man with Boat (uncredited) | 陈国新 |
| (uncredited) | 陈嘉上 |
| (uncredited) | 程小东 |
| Clerk in Sports Section (uncredited) | 高志森 |
| (uncredited) | 刘家荣 |
| Goon (uncredited) | 火星 |
| Supernatural Doctor (uncredited) | 王晶 |
| (uncredited) | 叶荣祖 |
| Thug | 巴山 |
