The Riot Squad

This was the short-lived original line-up with Mike Martin in the sunglasses.

Members

Ron Ryan - lead vocals, rhythm guitar

Mike Martin - bass guitar, vocals

Bob Evans - tenor sax, flute, vocals

Mark Stevens - organ, vocals

Graham Bonney - lead guitar, vocals

Mitch Mitchell - drums

Brian Davies - bass guitar, vocals

Nero Gladman - vocals

Terry Clifford - guitar

Butch Davis - Hammond organ

Rodger Crisp - bass guitar

Del Roll - drums 

Rod 'Rook' Davies - lead guitar

Brian 'Croak' Prebble - bass guitar, (later lead vocals)

Pete 'Punch' Allen - six-string Fender bass

John Lee - trombone

David Jones (aka David Bowie) - vocals

Formed in London.

I am not adding too much detail to this post because there is an excellent and very detailed chronicle of The Riot Squad that was researched and published by Bruno Ceriotti, which can be viewed here. Go and look at it and donate a quid if you can.