- Arjen Lucassen ( electric and acoustic guitars, bass guitar, analogue synthesizers, Hammond, Mellotron and additional keyboards )
- Erik Norlander ( analogue synthesizers, piano, vocoder, Hammond and additional keyboards )
- Ed Warby (Gorefest, ex-Elegy) ( drums )

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

Keyboard solos :
- Erik Norlander (Rocket Scientists, Lana Lane) - 1, 3 (Hammond solo), 4, 5, 7
- Rene Merkelbach last solo on 4
- Clive Nolan (Arena, Pendragon) 2nd synth solo - 5
- Gary Wehrkamp on 6
- Keiko Kumagai (Ars Nova) - 9 (+ Hammond solo)

Singers:
- Russel Allen (Symphony X) - 2
- Ralf Scheepers (ex-Gamma Ray, Primal Fear) - 3
- Andi Deris (Helloween) on 4
- Bruce Dickinson (Iron Maiden) - 5
- Fabio Leone (Rhapsody) on 7
- Timo Kotipelto (Stratovarius) - 7
- Robert Soeterboek (Ayreon) - 8
- Ian Parry (Vengeance, Elegy) - 9

Backing vocals:
- Damion Wilson on 2
- Lana Lane - 4, 5, 6, 9 and narration - 1