1965
Kim Simmonds – guitars, keyboards, harmonica, vocals
Ray Chappell – bass
Trevor Jeavons – keyboards
Leo Manning – drums
Brice Portius – vocals
John O’Leary – harmonica
1965-1967
Kim Simmonds – guitars, keyboards, harmonica, vocals
Ray Chappell – bass
Leo Manning – drums
Brice Portius – vocals
John O’Leary – harmonica
Bob Hall – keyboards
1967
Kim Simmonds – guitars, keyboards, harmonica, vocals
Ray Chappell – bass
Leo Manning – drums
Brice Portius – vocals
Bob Hall – keyboards
Martin Stone – guitars
1967
Kim Simmonds – guitars, keyboards, harmonica, vocals
Leo Manning – drums
Bob Hall – keyboards
Martin Stone – guitars
Bob Brunning – bass
Chris Youlden – vocals
1967
Kim Simmonds – guitars, keyboards, harmonica, vocals
Bob Hall – keyboards
Bob Brunning – bass
Chris Youlden – vocals
Hughie Flint – drums
Dave Peverett – guitars, vocals
1968
Kim Simmonds – guitars, keyboards, harmonica, vocals
Bob Hall – keyboards
Chris Youlden – vocals
Dave Peverett – guitars, vocals
Bill Bruford – drums
Rivers Jobe – bass
1968
Kim Simmonds – guitars, keyboards, harmonica, vocals
Bob Hall – keyboards
Chris Youlden – vocals
Dave Peverett – guitars, vocals
Rivers Jobe – bass
Roger Earl – drums
1968-1970
Kim Simmonds – guitars, keyboards, harmonica, vocals
Bob Hall – keyboards
Chris Youlden – vocals
Dave Peverett – guitars, vocals
Roger Earl – drums
Tony Stevens – bass
1970-1971
Kim Simmonds – guitars, keyboards, harmonica, vocals
Dave Peverett – guitars, vocals
Roger Earl – drums
Tony Stevens – bass
1971-1972
Kim Simmonds – guitars, keyboards, harmonica, vocals
Dave Bidwell – drums
Paul Raymond – keyboards, guitars
Andy Sylvester – bass
Dave Walker – vocals
1972
Kim Simmonds – guitars, keyboards, harmonica, vocals
Dave Bidwell – drums
Paul Raymond – keyboards, guitars
Dave Walker – vocals
Andy Pyle – bass
1972-1974
Kim Simmonds – guitars, keyboards, harmonica, vocals
Dave Bidwell – drums
Paul Raymond – keyboards, guitars
Andy Pyle – bass
Ron Berg – drums
(Guest) Sue Glover – backing vocals
(Guest) Sunny Leslie – backing vocals
Jackie Lynton – vocals
(Guest) Barry Murray – percussion
(Guest) Frank Ricotti – percussion
(Guest) Stan Sulzmann – saxophone
1974
Kim Simmonds – guitars, keyboards, harmonica, vocals
Miller Anderson – guitars, vocals
Eric Dillon – drums
Jimmy Leverton – bass
Stan Webb – guitars, vocals
1974-1975
Kim Simmonds – guitars, keyboards, harmonica, vocals
Dave Bidwell – drums
Tom Farnell – drums
Andy Rae – bass
Paul Raymond – keyboards, guitars
1975-1976
Kim Simmonds – guitars, keyboards, harmonica, vocals
Tom Farnell – drums
Paul Raymond – keyboards, guitars
Ian Ellis – bass
1976-1978
Kim Simmonds – guitars, keyboards, harmonica, vocals
Tom Farnell – drums
Ian Ellis – bass
1978-1985
Kim Simmonds – guitars, keyboards, harmonica, vocals
Keith Boyce – drums
John Humphrey – bass
Steve Lynch – guitars
Ralph Morman – vocals
Barry Paul – guitars
1985-1986
Kim Simmonds – guitars, keyboards, harmonica, vocals
Speedo Jones – vocals, harmonica
Chris Romanelli – bass
1986
Kim Simmonds – guitars, keyboards, harmonica, vocals
Jimmy Dagnesi – bass
Jimmy Kunes – vocals
Al Macomber – drums
1986-1988
Kim Simmonds – guitars, keyboards, harmonica, vocals
Jimmy Dagnesi – bass
Al Macomber – drums
(Guest) Les Baker – keyboards
(Guest) Robert Martin – keyboards
(Guest) Bobby Sexton – keyboards
Shmutza-Hideous – percussion
Dave Walker – vocals
1988-1989
Kim Simmonds – guitars, keyboards, harmonica, vocals
Jimmy Dagnesi – bass
Al Macomber – drums
(Guest) Robert Martin – keyboards
(Guest) Bobby Sexton – keyboards
Dave Walker – vocals
(Guest) Steve Klong – percussion
1989-1990
Kim Simmonds – guitars, keyboards, harmonica, vocals
Dave Walker – vocals
(Guest) Paul Aronson – percussion
Rick Jewett – keyboards
Lou Kaplan – bass
Pete Mendillo – drums
1990-1991
Kim Simmonds – guitars, keyboards, harmonica, vocals
Dave Walker – vocals
Rick Jewett – keyboards
Pete Mendillo – drums
Jeff Adams – guitars
Steve Behrendt – drums
Loren Kraft – bass
1991-1992
Kim Simmonds – guitars, keyboards, harmonica, vocals
Rick Jewett – keyboards
Phil McCormack – vocals
Pete McMahon – vocals, harmonica
Joe Pierleoni – drums
Andy Ramirez – bass
(Guest) Joe Whiting – vocals
1992-1994
Kim Simmonds – guitars, keyboards, harmonica, vocals
Pete McMahon – vocals, harmonica
Jim Heyl – bass
Dave Peverett – guitars, vocals
Dave Olson – drums
(Guest) Hubert Sumlin – guitars
1994-1999
Kim Simmonds – guitars, keyboards, harmonica, vocals
Tom Compton – drums
(Guest) Roger Earl – drums
(Guest) Leo Lyons – bass
(Guest) David Maxwell – keyboards
Nathaniel Peterson – bass, vocals
(Guest) Paul Oscher – harmonica
(Guest) Duke Robillard – guitars
1999-2003
Kim Simmonds – guitars, keyboards, harmonica, vocals
Dennis Cotton – drums
David Malachowski – guitars
(Guest) Mark Nanni – keyboards
Gerry Sorrentino – bass
2003-2005
Kim Simmonds – guitars, keyboards, harmonica, vocals
Dennis Cotton – drums
David Malachowski – guitars
Gerry Sorrentino – bass
2005-2007
Kim Simmonds – guitars, keyboards, harmonica, vocals
Dennis Cotton – drums
Gerry Sorrentino – bass
(Guest) Ron Keck – percussion
Mario Staiano – drums
2007-2009
Kim Simmonds – guitars, keyboards, harmonica, vocals
Gerry Sorrentino – bass
Mario Staiano – drums
2009-2012
Kim Simmonds – guitars, keyboards, harmonica, vocals
Pat DeSalvo – bass
Garnet Grimm – drums
Joe Whiting – lead vocals, saxophone
2013 – Today
Kim Simmonds – guitars, keyboards, harmonica, vocals
Pat DeSalvo – bass
Garnet Grimm – drums