Певцы

Russel Allen (Symphony X)
'Dawn Of A Million Souls'

Ralf Scheepers (ex-Gamma Ray, Primal Fear)
'Journey on the Waves of Time'

Andi Deris (Helloween)
'To the Quasar'

Bruce Dickinson (Iron Maiden)
'Into the Black Hole'

Fabio Lione (Rhapsody)
'Through the Wormhole'

Timo Kotipelto (Stratovarius)
'Out of the White Hole'

Robert Soeterboek (Ayreon)
'To the Solar System'

Ian Parry (Elegy, Vengeance)
'Sleeper Awake'

Damian Wilson (ex-Landmarq, ex-Threshold)
Backing vocals on 'Dawn Of A Million Souls'

Lana Lane
Backing vocals on 'To the Quasar', 'Into the Black Hole', 'Through the Wormhole' and 'Sleeper Awake'

Музыканты

Arjen Lucassen
Electric and acoustic guitars, bassguitar, analog synthesisers and keyboards.

Erik Norlander (Ritual Symphony, Rocket Scientist, Lana Lane)
Analog synthesisers, keyboards, vocoder voice and Hammond

Ed Warby (Gorefest, Ayreon, ex-Elegy)
Drums

Synth solos by:
Erik Norlander on 1, 3 (Hammondsolo), 4, 5, 7
Rene Merkelbach (Ayreon) last solo on 4
Clive Nolan on 2nd synth solo on 5
Gary Wehrkamp on 6
Keiko Kumagai (Ars Nova) on 9

Guitar solos by:
Arjen Lucassen on 1, 4, 5, 7, 8, 9
Michael Romeo (Symphony X) on 2
Gary Wehrkamp (Shadow Gallery) on 6