 Nobuyo OyamaDoraemon (voice) | Doraemon (voice) |
 Noriko OharaNobita (voice) | Nobita (voice) |
 Michiko NomuraShizuka (voice) | Shizuka (voice) |
 Kazuya TatekabeGian (voice) | Gian (voice) |
 Kaneta KimotsukiSuneo (voice) | Suneo (voice) |
 Michie KitaEru (voice) | Eru (voice) |
 Yuji MitsuyaUnderwater Buggy (voice) | Underwater Buggy (voice) |
 Kosei TomitaPoseidon (voice) | Poseidon (voice) |
 Teiji ŌmiyaMu Prime Minister (voice) | Mu Prime Minister (voice) |
 Masayuki KatoNobita's Father (voice) | Nobita's Father (voice) |
 Sachiko ChijimatsuNobita's Mother (voice) | Nobita's Mother (voice) |
 Kazuyo AokiGian's Mother (voice) | Gian's Mother (voice) |
 Yoshino OotoriSuneo's Mother (voice) | Suneo's Mother (voice) |
| MMasako MatsubaraShizuka's Mother (voice) | Shizuka's Mother (voice) |
 Hozumi GodaAnnouncer (voice) | Announcer (voice) |
 Fumio MatsuokaMu Patrol Officer A (voice) | Mu Patrol Officer A (voice) |
 Masaharu SatoMu Patrol Officer B (voice) | Mu Patrol Officer B (voice) |
 Koji TotaniMu Patrol Officer C (voice) | Mu Patrol Officer C (voice) |
 Kozo ShioyaMu Patrol Officer D (voice) | Mu Patrol Officer D (voice) |
 Koichi HashimotoMu Patrol Officer E (voice) | Mu Patrol Officer E (voice) |
