Matthias Jabs
Guitare, Choeurs
Lady (GER), ex-Victory (GER)
Paweł Mąciwoda
Basse, Choeurs
Klaus Meine
Chant
Avantasia
Rudolf Schenker
Michael "Mikkey Dee" Delaouglou
Batterie
Rudy Lenners
1975 - 1976 Steelover
Karl Heinz
Guitare
1965 - 1968
Ken Taylor
Basse
2000 - 2000
Ulrich Worobiec
Ralph Rieckermann
1993 - 2003 Spelled Moon
Hermann Rarebell
1977 - 1995 ex-Victory (GER)
Achim Kirschning
Claviers
1973 - 1974
James Kottak
Batterie, Choeurs
1995 - 2016 WWIII, ex-Paul Shortino, Wild Horses (USA), Black Sheep (USA), ex-Montrose, Buster Brown, ex-Kingdom Come, ex-Terry Ilous, A New Revenge
Curt Cress
1996 - 1996 ex-Lucifer's Friend, Orange Peel
Jürgen Rosenthal
1973 - 1975 ex-Eloy
Bernd Hegner
1968 - 1969
Francis Buchholz
1974 - 1992 Phantom 5
Uli Jon Roth (aka Ulrich Roth)
Chant, Guitare
1973 - 1978 Uli Jon Roth
Lothar Heimberg
1968 - 1973
Wolfgang Dziony
Chant, Batterie
1965 - 1973
Michael Schenker
1969 - 1973 Contraband (USA), ex-G3, ex-Ratt, MSG, ex-Babylon A.D., ex-UFO
Werner Hoyer
1967 - 1967
Harald Grosskopf