Idomeneo's son who ruled Crete in his absence, freed Trojan prisoners, and falls in love with Ilia. He willingly offers himself as the sacrificial victim to save his kingdom.
Biological father and son; Idomeneo struggles between paternal love and his sacred vow.
Deeply in love; Idamante freed Ilia from Trojan captivity and they share a mutual bond.
Elettra loves Idamante, but his heart belongs to Ilia.
Neptune's voice directly commands Idamante's survival and ascension to the throne.