From the official Lions Web site........
Brian O'Driscoll (Captain)
International Team: Ireland Position: Centre
Neil Back
International Team: England Position: Flanker
Iain Balshaw
International Team: England Position: Wing/Full Back
Gordon Bulloch
International Team: Scotland Position: Hooker
Shane Byrne
International Team: Ireland Position: Hooke
Gareth Cooper
International Team: Wales Position: Scrum Half
Martin Corry
International Team: England Position: Number 8
Chris Cusiter
International Team: Scotland Position: Scrum Half
Gordon D'Arcy
International Team: Ireland Position: Centre
Lawrence Dallaglio
International Team: England Position: Number 8
Matt Dawson
International Team: England Position: Scrum Half
Will Greenwood
International Team: England Position: Centre
Danny Grewcock
International Team: England Position: 2nd Row
John Hayes
International Team: Ireland Position: Prop
Gavin Henson
International Team: Wales Position: Centre
Denis Hickie
International Team: Ireland Position: Wing
Richard Hill
International Team: England Position: Flanker
Charlie Hodgson
International Team: England Position: Fly Half
Shane Horgan
International Team: Ireland Position: Centre
Gehtin Jenkins
International Team: Wales Position: Prop
Stephen Jones
International Team: Wales Position: Fly Half
Ben Kay
International Team: England Position: 2nd Row
Josh Lewsey
International Team: England Position: Wing/Full Back
Lewis Moody
International Team: England Position: Flanker
Geordan Murphy
International Team: Ireland Position: Wing/Full Back
Donnacha O'Callaghan
International Team: Ireland Position: 2nd Row
Paul O'Connell
International Team: Ireland Position: 2nd Row
Ronan O'Gara
International Team: Ireland Position: Fly Half
Malcolm O'Kelly
International Team: Ireland Position: 2nd Row
Michael Owen
International Team: Wales Position: Number 8
Dwayne Peel
International Team: Position: Scrum Half
Jason Robinson
International Team: England Position: Wing/Full Back
Graham Rowntree
International Team: England Position: Prop
Tom Shanklin
International Team: Wales Position: Centre
Andy Sheridan
International Team: Sale Sharks Position: Prop
Ollie Smith
International Team: England Position: Centre
Matt Stevens
International Team: England Position: Prop
Simon Taylor
International Team: Scotland Position: Number 8/Flanker
Gareth Thomas
International Team: Wales Position: Full Back
Steve Thompson
International Team: England Position: Hooker
Andy Titterrell
International Team: England Position: Hooker
Julian White
International Team: England Position: Prop
Martyn Williams
International Team: Wales Position: Flanker
Shane Williams
International Team: Wales Position: Wing
Brian O'Driscoll (Captain)
International Team: Ireland Position: Centre
Neil Back
International Team: England Position: Flanker
Iain Balshaw
International Team: England Position: Wing/Full Back
Gordon Bulloch
International Team: Scotland Position: Hooker
Shane Byrne
International Team: Ireland Position: Hooke
Gareth Cooper
International Team: Wales Position: Scrum Half
Martin Corry
International Team: England Position: Number 8
Chris Cusiter
International Team: Scotland Position: Scrum Half
Gordon D'Arcy
International Team: Ireland Position: Centre
Lawrence Dallaglio
International Team: England Position: Number 8
Matt Dawson
International Team: England Position: Scrum Half
Will Greenwood
International Team: England Position: Centre
Danny Grewcock
International Team: England Position: 2nd Row
John Hayes
International Team: Ireland Position: Prop
Gavin Henson
International Team: Wales Position: Centre
Denis Hickie
International Team: Ireland Position: Wing
Richard Hill
International Team: England Position: Flanker
Charlie Hodgson
International Team: England Position: Fly Half
Shane Horgan
International Team: Ireland Position: Centre
Gehtin Jenkins
International Team: Wales Position: Prop
Stephen Jones
International Team: Wales Position: Fly Half
Ben Kay
International Team: England Position: 2nd Row
Josh Lewsey
International Team: England Position: Wing/Full Back
Lewis Moody
International Team: England Position: Flanker
Geordan Murphy
International Team: Ireland Position: Wing/Full Back
Donnacha O'Callaghan
International Team: Ireland Position: 2nd Row
Paul O'Connell
International Team: Ireland Position: 2nd Row
Ronan O'Gara
International Team: Ireland Position: Fly Half
Malcolm O'Kelly
International Team: Ireland Position: 2nd Row
Michael Owen
International Team: Wales Position: Number 8
Dwayne Peel
International Team: Position: Scrum Half
Jason Robinson
International Team: England Position: Wing/Full Back
Graham Rowntree
International Team: England Position: Prop
Tom Shanklin
International Team: Wales Position: Centre
Andy Sheridan
International Team: Sale Sharks Position: Prop
Ollie Smith
International Team: England Position: Centre
Matt Stevens
International Team: England Position: Prop
Simon Taylor
International Team: Scotland Position: Number 8/Flanker
Gareth Thomas
International Team: Wales Position: Full Back
Steve Thompson
International Team: England Position: Hooker
Andy Titterrell
International Team: England Position: Hooker
Julian White
International Team: England Position: Prop
Martyn Williams
International Team: Wales Position: Flanker
Shane Williams
International Team: Wales Position: Wing