The Ultima series starred a consistent recurring cast, especially from Ultima IV onwards.
The Avatar (originally: the Stranger from another world)The customizable protagonist of all Ultima games from I to IX. Although most games allow the player to select the Avatar's gender, in those that don't, he is male.
The Companions of the AvatarTraditionally, eight individuals who joined the Stranger on the quest to Avatarhood and each embody one of the Eight Virtues are considered the True Companions of the Avatar, although he was joined by others in the course of later adventures. Three of the eight (Iolo, Shamino, and Dupre) traveled with the Stranger even before that.
Iolo FitzOwenA famous bard and a skillful crossbowman, Iolo is one of the mainstays in the Ultima series (alongside the Avatar and Lord British), being present in some form in every game except Pagan. He is married to Gwenno and owns a talking horse named Smith, who usually appear alongside him. Iolo embodies the Virtue of Compassion.
Shamino Sallé DacilA king of one of the old Sosarian realms and a friend of Lord British, Shamino becomes trapped in Britannia after Mondain is defeated and his home continent is lost. From then on, Shamino becomes a ranger and embodies the Virtue of Spirituality.
DupreA paladin and the mayor of Trinsic. Dies by Heroic Sacrifice in Ultima VII Part II but is brought back from the dead in Ultima IX. Dupre embodies the Virtue of Honor.
GeoffreyA fighter, later captain of the guard in Jhelom. Geoffrey embodies the Virtue of Valor.
JuliaA tinker from Minoc. Has a crush on the (male) Avatar. Julia embodies the Virtue of Sacrifice.
JaanaA druid and the leader of La Résistance during Lord Blackthorn's rule. Jaana embodies the Virtue of Justice.
KatrinaA shepherd and the only survivor of the old Magincia that fell to demons. Katrina embodies the Virtue of Humility.
MariahA mage and an adventure seeker. Mariah embodies the Virtue of Honesty.
Other Good Guys and Girls
Lord BritishThe Big Good ruler of Britannia and an alter ego of Richard Garriot, creator of the Ultima series.
Gwenllian "Gwenno" Gwalch'gaeafAn entertainer, scholar and explorer. Married to Iolo.
RavenA Pirate Girl, a secret daughter of Samhayne (mayor of Buccaneer's Den), and the Avatar's Love Interest in Ascension.
The Bad Guys and Girls
MondainThe original Big Bad of the series, an evil indestructible sorcerer who is defeated in the first game. Has an enormous impact on all later installments.
MinaxA genius apprentice of Mondain who tries to avenge him in the second game. While not as indestructible as Mondain, she takes a lot more precautions to become unreachable by the heroes.
ExodusA creation of Mondain and Minax (actually, a demonic supercomputer) who tries to avenge them both in the third game.
Lord BlackthornOriginally benevolent steward of Lord British, Blackthorn is corrupted by the Shadowlords in game five and has to be overthrown to bring Lord British back to power. Exiled to the Serpent Isle, where he finds redemption, although that was retconned by the last game.
The ShadowlordsThree mysterious figures behind Lord Blackthorn's coup. Actually, remnants of Mondain's Gem of Immortality.
The GuardianA powerful extradimensional force of evil that has conquered or destroyed many worlds already and sets its eyes on Britannia in game seven. Actually, the Avatar's own Enemy Without, his evil side cast out upon achieving Avatarhood.
BatlinThe leader of the Fellowship and The Dragon to the Guardian in games seven and seven-part-two. Killed by the Guardian after trying to betray him.
The Elemental TitansServants of the Guardian who rule the world of Pagan in his stead in game eight.