Vocals
Dave Walker – (1977–1978 1982–1984)
David Donato – (1984–1985)
Glenn Hughes – ( 1985–1986)
Ray Gillen – (1986–1987)
Ronnie James Dio – (1979–1982, 1991–1992)
Tony Martin – (1987–1991, 1992–1997)
BASS
Bob Daisley – (1986)
Dave Spitz – (1985–1986, 1987)
Jo Burt – (1987–1988)
Laurence Cottle – (1988–1989)
Neil Murray -(1989–1991, 1994–1997)
DRUMS
Eric Singer – (1985–1986)
Bev Bevan – (1983–1984, 1987)
Terry Chimes – (1987–1988)
Cozy Powell – (1988–1991, 1994–1995)
Bobby Rondinelli – (1992–1994, 1995–1997)
Vinny Appice – (1980–1982, 1991–1992, 1998)
Keyboards
Rick Wakeman – (1973)
Jezz Woodruffe – (1977)
Don Airey – (1978)
Geoff Nicholls (1979, 2004)
Adam Wakeman – (June 2004 to present)