The current cast list in full, in alphabetical order of codenames, categorised with regards to alliances. Players are also noted.

X-Men
Bast - Rhiannon Mathias (played by Courtney)
Berzerker - Ray Crisp [Hellions Co-Leader] (played by Avalanche)
Binary - Carol Danvers (played by Lane)
Grim - Dorian Buchere (played by Courtney)
Jean Grey (played by Tonic)
Psylocke - Elizabeth Braddock (played by Courtney)
Sage - Tessa (played by Karen)

Generation X (X-Students)
Cannonball - Samuel "Sam" Guthrie (played by Jess)
Gaia [Hellions Member] (played by Tonic)
Hellion - Julian Keller [Hellions Leader] (played by Lane)
Iceman - Robert "Bobby" Drake (played by Kieran)
Magma - Amara Aquilla (played by Candy)
Prodigy - Cho Yon Han [Hellions Member] (played by Dante)
Psion - Paul Dawson (played by Lane)
Rain - Liliha Cullen (played by Ryuuk)
Sunspot - Roberto da Costa (played by Ryan)


Brotherhood
Avalanche - Lance Alvers (played by Avalanche)
Blink - Clarice Ferguson (played by Dante)
Chasm - Ira Sands (played by Avalanche)
Darklight - Evangeline Petrovna (played by Courtney)
Domino - Neena Thurman (played by Lane)
Icarus - Joshua "Jay" Guthrie (played by Lane)
Magneto - Erik Magnus Lehnsherr (NPC)
Sage - Tessa [Undercover X-Man] (played by Karen)
Wicked - Allana Markus (played by Candy)


Morlocks
Berzerker - Ray Crisp (played by Avalanche)
Healer (played by Mel)
Moonbeam (future: Dead Girl) - Nadia Ingram [Presently human] (played by Mel)


Neutral
Rogue - Anna-Marie D'Ancanto (played by Lily)


Humans
None as of the moment.