Mumumu~n! Siren and Hummy's Secret ~Nya♪

Ami Koshimizu

Hibiki Hojo / Cure Melody (voice)

Fumiko Orikasa

Kanade Minamino / Cure Rhythm (voice)

Megumi Toyoguchi

Ellen Kurokawa / Siren / Cure Beat (voice)

Rumi Okubo

Ako Shirabe / Cure Muse (voice)

Kotono Mitsuishi

Hummy (voice)

Keiichi Sonobe

Otokichi Shirabe (voice)

Kenyu Horiuchi

Mephisto (voice)

Mayu Kudo

Fairy Tone (voice)

Kumiko Nishihara

Crescendo Tone (voice)

Noriko Hidaka

Aphrodite (voice)

Ryusei Nakao

Pii-chan / Noise (voice)

Satsuki Yukino

Maria Hōjō (voice)

Tomoyuki Dan

Dan Hōjō (voice)

Atsushi Ono

Bassdrum (voice)

Toru Nara

Falsetto (voice)