Band
- Robbie Williams – lead vocals, guitar, tambourine (1996–present)
- Guy Chambers – keyboard, backing vocals, guitar, piano (1997–2002; 2012–present)
- Gary Nuttall – guitar, backing vocals (1997–present)
- Fil Eisler – bass, guitar, backing vocals (1997–2001)
- Andy Wallace – keyboard (1997)
- Smiley Barnard – drums (1997)
- Alex Dickson – guitar (1998–2000)
- Chris Sharrock – drums (1998–2007)
- Claire Worral – keyboard, guitar, backing vocals (1998–2007)
- Chris White – saxophone, flute (1999–2003)
- Paul Spong – saxophone, flute (1999–2003)
- Dave Bishop – trombone, flute (1999–2003)
- Neil Sidwell – trombone, flute (1999–2003)
- Simon Gardner – trumpet (1999–2003)
- Melvyn Duffy – guitar, keyboard (2000–2005)
- Yolande Charles – bass, backing vocals (2000–2003)
- Tessa Niles – backing vocals (2000–2003)
- Katie Kissoon – backing vocals (2000–2003)
- Neil Taylor – guitar, backing vocals (2002–2009)
- Max Beesley – piano, percussion instrument (2002–2006)
- Stephen Duffy – guitar, lead vocals (2004–2006)
- Jeremy Meehan – bass, backing vocals (2005–present)
- Tom Longworth – guitar, backing vocals (2012–present)
- Karl Brazil – drums (2012–present)
- Denosh Bennett – backing vocals (2012–present)
- Sarah-Jane Skeete – backing vocals (2012–present)
- Nayanna Holley – backing vocals (2012–present)
- Benjamin Edwards – brass (2012–present)
- Michael Kearsey – brass (2012–present)
- Mark Brown – brass (2012–present)