Past players in the Arcadayn setting include:
Setting Creator and GM
Tim Emrick
Tales of the Blue Swan
(AD&D 2nd Ed., 1989-1992; the precursor)
Kevin Eaches
Gail Johnston
Ed Norris
Geoff Phillips
Aaron R.
Carol Stoneburner
Scott Unruh
Hassan ---
The Maidens Who Serve the Gods
(GURPS 3E, 1998-2002; the first true "Arcadayn" campaign)
Shawna Lea Adams (Fazia Durant, Ruqayyah al-Amiriyyah)
Christine Brown (Naima, Sarah)
Anne Cross (Laylah)
Erika Emrick (Darra [Caelisch Zudarra Taroq]).
Ursk: The Adventurer's Guild
(D&D v.3.0/v.3.5, 2003; a variant world based on Blue Swan)
Shawna Lea Adams (Elmareesh)
Christine Brown (Alex/Alexi)
Erika Emrick (Qureshi Ilanthe)
Chris LoBue (Aric Irontongue)
Seth Timmins (Darius Meander)