Zpěváci
Paul Day (1975-1976)
Dennis Wilcock (1976-1977)
Paul Di’Anno (1977-1981)
Blaze Bayley (1993-1999)
Kytaristé
Dave Sullivan (1975)
Terry Rance (1975-1976)
Bob Sawyer (1976)
Terry Wapram (1977)
Paul Cairns (1979)
Paul Todd (1979)
Dave Mac (1979)
Tony Parsons (1979)
Dennis Stratton (1980)
Bubeníci
Ron Matthews (1975-1977)
Thunderstick (1977)
Doug Sampson (1977-1980)
Clive Burr (1980-1983)
Klávesisté
Tony Moore (1977)