- Wotan, King of the Gods (god of light, air, and wind) (bass-baritone)
- Fricka, Wotan's wife, goddess of marriage (mezzo-soprano)
- Freia, Fricka's sister, goddess of love, youth, and beauty (soprano)
- Donner, Fricka's brother, god of thunder (baritone)
- Froh, Fricka's brother, god of spring/happiness (tenor)
- Erda, goddess of wisdom/fate/Earth (contralto)
- Loge, demigod of fire (tenor in Das Rheingold, represented instrumentally elsewhere)
- The Norns, the weavers of fate, daughters of Erda (contralto, mezzo-soprano, soprano)
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- Wälsungs
- Siegmund (tenor)
- Sieglinde, his twin sister (soprano)
- Siegfried, son of Siegmund and Sieglinde (tenor)
- Neidings
- Hunding, Sieglinde's husband, chief of the Neidings (bass)
- Gibichungs
- Gunther, King of the Gibichungs, son of King Gibich and Queen Grimhilde (baritone)
- Gutrune, his sister (soprano)
- Hagen, their half-brother, son of Alberich and Queen Grimhilde (bass)
- A male choir of Gibichung vassals and a small female choir of women
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- Brünnhilde (soprano)
- Waltraute (mezzo-soprano)
- Helmwige (soprano)
- Gerhilde (soprano)
- Siegrune (mezzo-soprano)
- Schwertleite (mezzo-soprano)
- Ortlinde (soprano)
- Grimgerde (mezzo-soprano)
- Rossweisse (mezzo-soprano)
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- Rhinemaidens
- Woglinde (soprano)
- Wellgunde (soprano)
- Flosshilde (mezzo-soprano)
- Giants
- Fasolt (bass-baritone)
- Fafner, his brother, later turned into a dragon (bass)
- Nibelungs
- Alberich (baritone)
- Mime, his brother, and Siegfried's foster father (tenor)
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- The Voice of a Woodbird (soprano)
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