The Long Knives [Mark 1] Line Up : Niall O'Riordan [Vocals & Guitar], Mark Finlay [Drums], Tom Millet [Double Bass]
The Blue Poles Line Up : Rowan [Vocals & Guitar], Phil Murray [Drums], Paul Arthurs [Bass Guitar]

Active : 2003 - 2005
The Long Knives [Mark 2] Line Up : Niall O'Riordan [Vocals & Guitar], Caroline McGrath [Vocals & Melodica], Martin Casey [Bass Guitar & Guitar], Phil Murray [Drums]

The was the line up of the band at the time of the release of the 'Cheap Wine' EP
Glimmermen Line Up : Gavin Cowley [Vocals, Guitar, Harmonica & Keyboards], J. Bassetti [Vocals & Upright Bass], Philip Murray [Vocals, Drums & Percussion]

Active : 2010 -
The Long Knives [Mark 3] Line Up : Niall O'Riordan [Vocals & Guitar], Caroline McGrath [Vocals & Melodica], Martin Casey [Bass Guitar & Guitar], Mark Smyth [Drums]