| Rolle | japanischer Sprecher (Seiyū) | englische Sprecher | deutscher Sprecher |
|---|---|---|---|
| Ranma Saotome (♂) | Kappei Yamaguchi | Richard Ian Cox | Clemens Ostermann († 30. April 2007) |
| Ranma Saotome (♀) | Megumi Hayashibara | Venus Terzo | Angela Wiederhut |
| Genma Saotome | Ken’ichi Ogata | Robert O. Smith | Thomas Rauscher |
| Akane Tendō | Noriko Hidaka | Myriam Sirois | Andrea Imme |
| Nabiki Tendō | Minami Takayama | Angela Costain | Sonja Reichelt |
| Kasumi Tendō | Kikuko Inoue | Willow Johnson | Christine Stichler |
| Soun Tendō | Ryunosuke Ohbayashi | David Kaye | Michael Schwarzmeier |
| Ryōga Hibiki | Kōichi Yamadera | Mike Donovan | Daniel Schlauch |
| Ukyō Kuonji | Hiromi Tsuru | Kelly Sheridian | Sandra Schwittau / Anna Carlsson (in den Filmen) |
| Shampoo | Rei Sakuma | Cathy Weseluck | Anke Kortemeier |
| Happōsai | Ichirō Nagai | Paul Dobson | Osman Ragheb |
| Tatewaki Kunō | Hirotaka Suzuoki | Ted Cole | Manuel Straube |
| Kodachi Kunō | Saeko Shimazu | Teryl Rothery / Erin Fitzgerald / Sylvia Zaradic |
Julia Haacke |
| Direktor Kunō | Tatsuyuki Jinnai | Scott McNeil | Ekkehard Belle |
| Dr. Tōfū Ono | Yūji Mitsuya | Ian Corlett / Kirby Morrow |
Hubertus von Lerchenfeld |
| Mousse | Toshihiko Seki | Brad Swaile | Janni Panczak |
| Cologne | Miyoko Asou | Kathleen Barr | Inge Lapsin / Gisela Fritsch (in den Filmen) |
| Sasuke Sarugakure | Shigeru Chiba | Robert O. Smith | Lyrill Geffken |
| Ling-Ling & Lung-Lung | Yuko Kobayashi / Yuko Mita |
Nicole Oliver | Sabine Bohlmann |
| Jusenkyo-Führer | Kōichi Yamadera | Ian James Corlett | Kai Taschner |
| Hikaru Gosunkugi | Issei Futamata | Michael Benyaer | - |
