Line up

Most recent line-up
Andrew Latimer – guitar, vocals, flute, recorder, keyboards, bass guitar (1971-)
Colin Bass – bass guitar, vocals, keyboard, acoustic guitar (1979-1981, 1984-)
Denis Clement – drums, percussion (2000-)
Ton Scherpenzeel – keyboards (1984, 1991, 1999, 2003-)

Former members
Doug Ferguson – bass, vocals (1971-1977)
Peter Bardens – keyboards, vocals (1971-1978)
Andy Ward – drummer, percussion (1971-1981)
Richard Sinclair – bass, vocals (1977-1978)
Mel Collins – saxophones, flute (1977-1979)
Jan Schelhaas – keyboards (1979-1981)
Kit Watkins – keyboards, flute (1979-1982)
Paul Burgess – drums, percussion (1984-1992)
Dave Stewart – drums, percussion (1997-2000)
Guy LeBlanc – keyboards, vocals (2000-2003)

Additional studio musicians
Tony Cox – synthesizer on Camel
Jimmy Hastings – flute on Mirage
David Bedford – orchestral arrangements on  The Snow Goose
Martin Drover – trumpet on Rain Dances
Malcolm Griffiths – trombone on Rain Dances
Brian Eno – keyboards on Rain Dances
Fiona Hibbert – harp on Rain Dances
Dave Sinclair – keyboards on Breathless
Phil Collins – percussion on I Can See Your House From Here
Duncan Mackay – keyboards on Nude and The Single Factor
Chris Green – cello on Nude
Gasper Lawal – percussion on Nude
Herbie Flowers – tuba on Nude
David Paton – bass, vocals on The Single Factor and Harbour of Tears; vocals on Dust and Dreams
Graham Jarvis – drums on The Single Factor
Dave Mattacks – drums on The Single Factor
Simon Phillips – drums on The Single Factor
Anthony Phillips – guitar, keyboards on The Single Factor
Chris Rainbow – vocals on The Single Factor and Stationary Traveller
Haydn Bendall – keyboards on Stationary Traveller
Francis Monkman – harpsichord synclavier on The Single Factor
Tristian Fry – glockenspiel on The Single Factor
Jack Emblow – accordion on The Single Factor
Mae McKenna – vocals on Dust and Dreams and Harbour of Tears
Christopher Bock – drums on Dust and Dreams
Don Harriss – keyboards on Dust and Dreams
Neil Panton – oboe on Dust and Dreams; oboe, soprano saxophone, harmonium on Harbour of Tears
Kim Venaas – timpani, harmonica on Dust and Dreams
John Burton – French horn on Dust and Dreams and Harbour of Tears
Mickey Simmonds – keyboards on Harbour of Tears
John Xepoleas – drums on Harbour of Tears
Barry Phillips – cello on Harbour of Tears and Rajaz
Karen Bentley – violin on Harbour of Tears
Anita Stoneham – violin on Harbour of Tears
Terry Carleton – drums, percussion, backing vocals on A Nod and a Wink
JR Johnston – backing vocals on A Nod and a Wink

Touring Musicians

1971-1976: Andrew Latimer – Peter Bardens – Andy Ward – Doug Ferguson 

1976: Andrew Latimer – Peter Bardens – Andy Ward – Doug Ferguson – Mel Collins 

1977: Andrew Latimer – Peter Bardens – Andy Ward – Richard Sinclair – Mel Collins 

1978-1979: Andrew Latimer – Andy Ward – Richard Sinclair – Mel Collins – Jan Schelhaas – Dave Sinclair 

1979-1981: Andrew Latimer – Andy Ward – Colin Bass – Jan Schelhaas – Kit Watkins 

1982: Andrew Latimer – Kit Watkins – David Paton – Chris Rainbow – Stuart Tosh – Andy Dalby 

1984: Andrew Latimer – Colin Bass – Paul Burgess – Chris Rainbow – Ton Scherpenzeel – Richie Close 

1992: Andrew Latimer – Colin Bass – Paul Burgess – Mickey Simmonds 

1997: Andrew Latimer – Colin Bass – Dave Stewart – Foss Patterson 

2000-2001: Andrew Latimer – Colin Bass – Denis Clement – Guy LeBlanc 

2003 (U.S.): Andrew Latimer – Colin Bass – Denis Clement – Tom Brislin 

2003 (Europe): Andrew Latimer – Colin Bass – Denis Clement – Ton Scherpenzeel

(Source Wikipedia)