| 角色 | 饰演者 | 角色介绍 |
| 海王 | 杰森·莫玛 | |
| 湄拉 | 艾梅柏·希尔德 | |
| 奥姆王/海洋领主 | 帕特里克·威尔森 | |
| 黑蝠鲼 | 叶海亚·阿卜杜勒-.. | |
| 亚特兰娜女王/海王母亲 | 妮可·基德曼 | |
| 维科 | 威廉·达福 | |
| 涅柔斯国王 | 杜夫·龙格尔 | |
| 汤姆·库瑞 | 特穆拉·莫里森 | |
| 穆克 | 林路迪 | |
| 沈博士 | 兰道尔·朴 | |
| Jesse Kane | 迈克尔·比奇 | |
| Cueball | Patrick Cox | |
| Casablanca Masseuse | Winnie Mzembe | |
| Russian Submariner 2 | Connor Zegenhagen | |
| Young Arthur | Kaan Guldur | |
| Beach Goer | Rafael Torrijos | |
| Young Arthur | Otis Dhanji | |
| Biker #2 | Luke Owen | |
| Flower Stall Vendor | Victor Leto | |
| Waiter | Sasha Dulics | |
| Atlantean | Tahlia Jade | |
| Arthurs Teacher | Alice Lanesbury | |
| Submarine Crew | Dylan Stumer | |
| Italian Bell Girl | Gabriella Petkova | |
| Russian Sailor | Jon Quested | |
| Beachgoer | Braden Lewis | |
| Russian Submariner | Daniel Goodwin | |
| Italian Bell Father | Vincent B. Gorce | |
| Bar Patron | Salvatore Merenda | |
| Italian Vendor | Jon Fabian | |
| Beachgoer | Harry Cummins | |
| Fisherman | Beau Jones | |
| Bar Patron | Rhianna Palmer | |
| Fisherman Princess | Sophia Forrest | |
| Tourist | Niam | |
| Russian Submariner | Patrick Atchison | |
| Atlantean | Jon Reigle | |
| Modern Atlantean | Wayne Huang | |
| Ancient Atlantean | Jordan Lewis | |
| Fisherman Queen | Natalie Jaroszyk | |
| Beach Goer | Lane Howson | |
| Russian | Sam Monaghan | |
| The Fisherman King | 杰曼·翰苏 | |
| Karathen | 朱丽·安德鲁斯 |
