| Princess Maleine of Harlingen | | soprano |
| Angus, Prince Hjalmar's lieutenant | | baritone |
| Queen Godelive of Harlingen | | Soprano |
| King Marcellus of Harlingen | | Bass |
| Princess Ursula of Jutland | | Mezzo |
| Pluto, "King of the Underworld" and a very good pup | | |
| Prince Hjalmar of Ysselmonde | | Tenor |
| King Hjalmar of Ysselmonde | | Bass-Baritone |
| Queen Anne | | Mezzo soprano |
| Aleta, Lady-in-Waiting to Princess Maleine | | Mezzo |
| The Fool | | Countertenor |
| Petit Allan, son of Queen Anne | | Soprano |
| Vanox, a guard of Marcellus' realm | | Tenor |
| Stephano, a guard of Marcellus' realm | | Baritone |
