|  1967-1969 | 
 
 | 
|  1969 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Michael Monarch – lead guitar, backing vocals
 
- Nick St. Nicholas – bass, backing vocals
 
-  Goldy McJohn – keyboards, backing vocals
 
-  Jerry Edmonton – drums, backing vocals
 
  | 
|  1969-1970 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Larry Byrom – lead guitar, backing vocals
 
-  Nick St. Nicholas – bass, backing vocals
 
-  Goldy McJohn – keyboards, backing vocals
 
-  Jerry Edmonton – drums, backing vocals
 
  | 
|  1970-1971 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Larry Byrom – lead guitar, backing vocals
 
-  George Biondo – bass, backing vocals
 
-  Goldy McJohn – keyboards, backing vocals
 
-  Jerry Edmonton – drums, backing vocals
 
  | 
|  1971-1972 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Kent Henry – lead guitar, backing vocals
 
-  George Biondo – bass, backing vocals
 
-  Alan Herron – keyboards
 
-  Jerry Edmonton – drums, backing vocals
 
  | 
|  1974-1975 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Bobby Cochran – lead guitar, backing vocals
 
-  George Biondo – bass, backing vocals
 
-  Goldy McJohn – keyboards, backing vocals
 
-  Jerry Edmonton – drums, backing vocals
 
  | 
|  1975 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Bobby Cochran – lead guitar, backing vocals
 
-  George Biondo – bass, backing vocals
 
-  Andy Chapin – keyboards, backing vocals
 
-  Jerry Edmonton – drums, backing vocals
 
  | 
|  1976 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Bobby Cochran – lead guitar, backing vocals
 
-  George Biondo – bass, backing vocals
 
-  Wayne Cook – keyboards, backing vocals
 
-  Jerry Edmonton – drums, backing vocals
 
  | 
 1977 (with Goldy McJohn) | 
 
-  Tom Pagan – lead vocals
 
-  Kent Henry – guitar, backing vocals
 
- Tony Flynn – guitar, backing vocals
 
-  Nick St. Nicholas – bass, backing vocals
 
-  Goldy McJohn – keyboards, backing vocals
 
-  Tony DeSanti – drums, backing vocals
 
- Jimmy Hunter – drums, backing vocals
 
  | 
 1977 (with Nick St. Nicholas) | 
 
-  Tom Pagan – lead vocals
 
-  Jamie James – guitar, backing vocals
 
-  Nick St. Nicholas – bass, backing vocals
 
-  Evan Smith – keyboards, backing vocals
 
-  Jack White – drums, backing vocals
 
  | 
 1977 (with Nick St. Nicholas) | 
 
-  Larry Green – lead vocals
 
-  Jamie James – guitar, backing vocals
 
-  Nick St. Nicholas – bass, backing vocals
 
-  Evan Smith – keyboards, backing vocals
 
-  Jack White – drums, backing vocals
 
  | 
 1978 (with Rushton Moreve) | 
 
-  Bob Simpson – lead vocals
 
-  Kent Henry – guitar, backing vocals
 
-  Rushton Moreve – bass, backing vocals
 
-  John Hall – keyboards, backing vocals
 
-  Jerry Posin – drums, backing vocals
 
  | 
 1978 (with Nick St. Nicholas) | 
 
-  Bob Simpson – lead vocals
 
-  Ruben DeFuentes – guitar, backing vocals
 
-  Tony Flynn – guitar, backing vocals
 
-  Nick St. Nicholas – bass, backing vocals
 
-  Armond Blackwater – keyboards, backing vocals
 
-  Frankie Banali – drums, backing vocals
 
- Jack White – drums, backing vocals
 
  | 
 1979 (with Goldy McJohn) | 
 
-  Peter McGraw – lead vocals
 
-  Paul Nauman – guitar, backing vocals
 
-  Rick Reed – bass, backing vocals
 
-  Goldy McJohn – keyboards, backing vocals
 
-  Rene Bernard – drums, backing vocals
 
-  Robbie Roberti – drums, backing vocals
 
  | 
 1979-1980 (with Nick St. Nicholas) | 
 
-  Tommy Holland – lead vocals
 
-  Ruben DeFuentes – guitar, backing vocals
 
-  Tony Flynn – guitar, backing vocals
 
-  Nick St. Nicholas – bass, backing vocals
 
-  Geoff Emery – keyboards, backing vocals
 
-  Dick Jurgens – drums, backing vocals
 
-  Jack White – drums,backing  vocals
 
-  Steve Riley – drums, backing vocals
 
  | 
 
 1980 (with Kent Henry) | 
 
-  Tim West – lead vocals
 
-  Kent Henry – guitar, backing vocals
 
-  Bam Bam Shiblei – drums, backing vocals
 
-  Mark Frere – bass guitar, backing vocals 
 
- Gerry Brown – keyboards
 
  | 
 1980 (with John Kay) | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Michael Palmer – lead guitar, backing vocals
 
-  Kurtis Teel – bass, backing vocals
 
-  Danny Ironstone – keyboards, backing vocals
 
-  Steven Palmer – drums, backing vocals
 
  | 
|  1981 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Michael Palmer – lead guitar, backing vocals
 
-  Chad Peery – bass, backing vocals
 
-  Brett Tuggle – keyboards, backing vocals
 
-  Steven Palmer – drums, backing vocals
 
  | 
|  1982 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Michael Palmer – lead guitar, backing vocals
 
-  Welton Gite – bass, backing vocals
 
-  Michael Wilk – keyboards, backing vocals
 
-  Steven Palmer – drums, backing vocals
 
  | 
|  1982-1984 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Michael Palmer – lead guitar, backing vocals
 
-  Gary Link – bass, backing vocals
 
-  Michael Wilk – keyboards, backing vocals
 
-  Steven Palmer – drums, backing vocals
 
  | 
|  1985-1989 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Rocket Ritchotte – lead guitar, backing vocals
 
-  Michael Wilk– keyboards, bass, backing vocals
 
-  Ron Hurst – drums, backing vocals
 
  | 
|  1989 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Les Dudek – lead guitar, backing vocals
 
-  Michael Wilk – keyboards, bass, backing vocals
 
-  Ron Hurst – drums, backing vocals
 
  | 
|  1989-1990 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Steve Fister – lead guitar, backing vocals
 
-  Michael Wilk – keyboards, bass, backing vocals
 
-  Ron Hurst – drums, backing vocals
 
  | 
|  1990-1993 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Rocket Ritchotte – lead guitar, backing vocals
 
-  Michael Wilk – keyboards, bass, backing vocals
 
-  Ron Hurst – drums, backing vocals
 
  | 
|  1993-1996 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Steve Fister – lead guitar, backing vocals
 
-  Michael Wilk – keyboards, bass, backing vocals
 
-  Ron Hurst – drums, backing vocals
 
  | 
|  1996-2009 | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Danny Johnson – lead guitar, backing vocals
 
-  Michael Wilk – keyboards, bass, backing vocals
 
-  Ron Hurst – drums, backing vocals
 
  | 
|  2009-present | 
 
-  John Kay – lead vocals, rhythm guitar, harmonica
 
-  Danny Johnson – lead guitar, backing vocals
 
-  Michael Wilk – keyboards, backing vocals
 
-  Ron Hurst – drums, backing vocals
 
-  Gary Link – bass, backing vocals
 
  |