Line-up
Erno Matti Juhani Vuorinen (Emppu Vuorinen)
Guitarra
ex-Almah, ex-Altaria, ex-Brother Firetribe
Floor Jansen
Vocais
After Forever, Arjen Anthony Lucassen's Star One, Northward (NOR), ReVamp
Troy Donockley
Folk Instruments
Auri (FIN)
Kai Hahto (aka Dr. K.H., Caer Hallam Generis)
Bateria
ex-Rotten Sound, Trees Of Eternity, ex-Arthemesia, Cartilage (FIN), ex-Swallow The Sun, Vomiturition, Wings (FIN), Wintersun
Jukka Koskinen
Baixo
ex-Amberian Dawn, ex-Medieval Art (FIN), ex-Dark Sarah, Naildown, Wintersun, ex-Cain's Offering, Crownshift
Tuomas Holopainen
Teclas
Timo Rautiainen, Kotiteollisuus, Auri (FIN), Tuomas Holopainen, Darkwoods My Betrothed, Furthest Shore, ex-Sethian, Nattvindens Grat, ex-For My Pain
Ex-membros
Tarja Turunen
Vocais
1996 - 2005
ex-Lorihen, Nuclear Blast All Stars, Tarja, Outlanders
Jukka Nevalainen (aka Yucca Banderas)
Bateria
1997 - 2014
ex-Sethian, ex-Barilari
Sami Vänskä
Baixo
1998 - 2001
Nattvindens Grat, ex-Wizzard (FIN), ex-Barilari
Marjaana Pellinen
Vocais Secundários, Teclas
1997 - 1998
Samppa Hirvonen
Baixo
1997 - 1998
Division 19