Michael Bolotin [ca 1978]

Bruce Kulick - guitar
Bobby Torello - drums
unknown - bass
Michael Bolton - vocals

Blackjack [1979 - 1980]

Bruce Kulick - guitar
Sandy Gennaro - drums
Jimmy Haslip - bass
Michael Bolton - vocals

Michael Bolton #?1 [early 1983 - Apr 1983]

Bruce Kulick - guitar
Bob Kulick - guitar
Michael Bolton - vocals
Alan St. Jon - keyboards
Mark Clarke - bass?
Michael Braun - drums

Michael Bolton #?2 [Apr 1983 - Aug 1983]

Bruce Kulick - guitar
Scott Zito - guitar
Michael Bolton - vocals
Joey Melotti - keyboards
Albert Pascal - bass
Bobby Torello - drums

Michael Bolton #?3 [Aug 1983 - Dec 1983]

Bruce Kulick - guitar
Mark Chatfield - guitar
Michael Bolton - vocals
Joey Melotti - keyboards
Dennis St. James - bass
Bobby Torello - drums