List of Firebird characters
- Firebird Angelo: Netaian noble, officer, and wastling
- Brennen Caldwell: telepath, Federate officer, Firebird's husband
- Great Speaker/Majestic Singer: God of the Ehretan people
Federate
- Ellet Kinsman: telepath, Federate officer, romantic rival of Firebird
Netaian
- Carradee Angelo: eldest sister of Firebird
- Muirnen Rogonin: Duke of Claighbro, political opportunist
- Phoena Angelo: sister of Firebird, and her antagonist
- Tel Tellai: husband of Phoena, eventual ally of Firebird
Shuhr
- Dru Polar: highly powerful telepath and Testing Director
- Eshdeth Shirak: Eldest of the Shuhr, killed by Firebird and Brennen in Fusion Fire
- Juddis Adiyn: lead geneticist, responsible for the eugenics program
- Micahel Shirak: son of Modabah
- Modabah Shirak: Eldest of the Shuhr after death of his father Eshdeth
- Terza Shirak: minor genetic technician
Non-Sentinel
- Lee Danton: Netaia's governor during Federate occupation
Sentinel
- Aldana Spieth: master telepath specializing in medicine
- Asea Caldwell: wife of Tarance, [...] in Fusion Fire
- Brit Caldwell: son of Tarance and Asea, [...] in Fusion Fire
- Damalcon Dardy: Federate officer, friend of Brennen
- Destia Caldwell: daughter of Tarance and Asea, [...] in Fusion Fire
- Kether Caldwell: son of Tarance and Asea, [...] in Fusion Fire
- Kiel Caldwell: son of Firebird and Brennen
- Kinnor Caldwell: son of Firebird and Brennen
- Shelevah Mattason: Federate weapons instructor who poses as Firebird's bodyguard in Crown of Fire
- Tarance Caldwell: doctor, estranged brother of Brennen, [...] by Shuhr agents in Fusion Fire
- Uri Harris: Federate interrogation specialist who poses as Brennen's bodyguard in Crown of Fire
Netaian
- Corey Bowman: Firebird's friend and fellow wastling, killed in the attack on Veroh in Firebird
- Daithi Drake-Angelo: Carradee's Prince-consort
- Iarla Angelo: queen of Netaia after Carradee's abdication
- Kelling Friel: captain of the redjackets (Electoral Police)
- Liach Stele: wastling who was executed for incorrigible behavior
- Siwann Angelo: queen of Netaia; mother of Carradee, Phoena, and Firebird; committed [...] after the failed Veroh expedition
Shuhr
- Cassia Talumah: killed by Firebird and Brennen in Fusion Fire