Aleron/Siavahda, played by Alex Evans. Siavahda na Illianor is the foretold Seeker and a shapeshifter, although for her stay on Earth she incarnated into a male body.
Xavier, played by Alex Meraz. The main character and only actual human in Starfire.
Deteire, played by Rachel Lee Cook. A lilitu, originally believed to be descendants of Lilith of Jewish legend, and a healer.
Vladishka Dracula-Imperial, played by Mylene Jampanoi. The foretold Warrior and vampire princess.
Kalyia/Siavahda, played by Rachel Lefevere. Siav in her Kern-Rois shape.
Aivorn Enandir-al, played by Keith Hamilton Cobb. Kern-Rois War-Prince and Enandir's adopted son.
Zyvian Enandir-al, played by Mehcad Brooks. The Kern-Rois World-General and Aivorn's brother.
Enandir, played by Johnny Depp. High Lord of the Kern-Rois.
Nakir Zaixaiae-el, played by Nate Gill. Siav's soulmate and the Draconian High Lord.
Iesadora/Siavahda, played by Kristen Kreuk. Siav's hrimthur form.
Gabriel na Lily, played by Stuart Townsend. A vampire and demi-god son of the Black Lily.
Deritelis, played by Hugh Dancy. A vampire and demi-god son of the Black Lily.
Guinivere/Siavahda, played by Oluchi Onweagba. Siav in her Draconian form.
Farien Beryl-el, played by Michael Copon. The arkadian World-General.
Milanae, played by Natassia Malthe. The hrimthur World-General.
Rekeishan Alkan-al, played by Chace Crawford. The arkadian crown-heir and Siav's cousin/adopted brother.
Kheylan Dracula-Imperial, played by Jonathan Rhys Meyers. Vampire prince, Vladishka's cousin.