Vocal
Jeff Scott Soto (84-85, 86-87) – Rising Force, Marching Out, Live in Tokyo, Trillogy tour, Inspiration
Mark Boals (85-86, 99-01) – Trillogy, Inspiration, Alchemy, War to End All Wars
Joe Lynn Turner (88-89) – Odissey, Trial by Fire: Live in Leningrad, Inspiration
Göran Edman (89-92) – Eclipse, Fire and Ice
Michael Vescera (93-96) – The Seventh Sign, Magnum Opus, I Can’t Wait, Live at Budokan
Mats Levén (97-98) – Facing the Animal, Double Live! (Live in São Paulo)
Jørn Lande (00-01) - War to End All Wars tour
Doogie White (02-07) – War to End All Wars tour, Attack!, Unleash the Fury
Tim “Ripper” Owens (08-12) – Perpetual Flame, Relentless
Nick Marino (12-presente) - Spellbound tour, Spellbound Live in Orlando, World on Fire tour
Baixo
Marcel Jacob (85) – Rising Force tour, Live in Tokyo, Inspiration
Wally Voss (86-87) – Trillogy tour
Bob Daisley (88) – Odissey
Barry Dunaway (88-89, 92, 96-99) – Odissey tour, Trial by Fire: Live in Leningrad, Fire and Ice tour, Inspiration tour, Facing The Animal, Double Live! (Live in São Paulo), Alchemy
Svante Henryson (89-92) – Eclipse, Fire and Ice
Barry Sparks (94-95) – The Seventh Sign tour, Live at Budokan, I Can’t Wait, Magnum Opus
Randy Coven (99-01) – Alchemy tour, War to End All Wars tour
Mick Cervino (01-04, 06-07) – War to End All Wars tour, Attack!! Tour, Unleash the Fury tour
Rudy Sarzo (04-05) – Attack!! tour
Bjorn Englen (08-11) – Perpetual Flame tour
Ralph Ciavolino (12-presente) – Relentless tour, Spellbound tour, Spellbound Live in Orlando, World on Fire tour
Bateria
Barriemore Barlow (84) – Rising Force
Anders Johansson (85-89) – Rising Force tour, Live in Tokyo, Marching Out, Trillogy, Odissey, Trial by Fire: Live in Leningrad, Inspiration
Michael von Knorring (89-90) – Eclipse
Pete Barnacle (90) – Eclipse Tour
Bo Werner (91-92) – Fire and Ice
Mike Terrana (93-94) – The Seventh Sign, Live at Budokan, I Can’t Wait
BJ Zampa (94) – The Seventh Sign tour
Shane Gaalaas (94-95) – Magnum Opus
Tommy Aldridge (96) – Inspiration tour
Cozy Powell (97-98) – Facing the Animal
Jonas Ostman (98) – Facing the Animal tour, Double Live! (Live in São Paulo)
John Macaluso (99-01) – Alchemy, War To End All Wars
Tim Donahue (01) - War to End All Wars tour
Patrick Johansson (01-12) – Attack!!, Unleash the Fury, Perpetual Flame, Relentless, Spellbound tour, Spellbound Live in Orlando
Mark Ellis (12-presente) – Spellbound tour, World on Fire tour
Teclado
Jens Johanson (84-89) – Rising Force, Live in Tokyo, Marching Out, Trillogy, Odissey, Trial by Fire: Live in Leningrad, Inspiration
Mats Olausson (89-01) – Eclipse, Fire and Ice, Inspiration, The Seventh Sign, Live at Budokan, I Can’t Wait, Magnum Opus, Facing The Animal, Double Live! (Live in São Paulo), Alchemy, War To End All Wars
David Rosenthal (96, 98, 2002) – Inspiration, Concerto Suite, Concerto Suite Live with the New Japan Philarmonic
Derek Sherinian (01-04, 06) – War to End All Wars tour, Attack!!
Joakim Svalberg (04, 05) – Attack!! tour, Unleash the Fury
Nick Marino (05-06, 10-presente) – Unleash the Fury tour, Perpetual Flame tour, Relentless, Spellbound tour, Spellbound Live in Orlando , World on Fire tour
Michael Troy (04, 08-10) – Attack!! Tour, Perpetual Flame