Barisan semasa - Brandan Schieppati – lead vocals (1999–2014, 2016, 2018–kini)
- Brian Leppke – rhythm guitar (2001–2014, 2016, 2018–kini), lead guitar (2018–present)
- Derek Youngsma – drums, percussion (2001–2014, 2016, 2018–kini)
- Marta Peterson – keyboards, piano, backing vocals (2003–2014, 2016, 2018–kini)
- Ryan Wombacher – bass, backing vocals (2002–2014, 2016, 2018–kini)
Bekas ahli
- Scott Danough – lead guitar (1999–2007, 2013–2014, 2016), rhythm guitar (2013–2014)
- Javier Van Huss – rhythm guitar (1999)
- Marc Jackson – bass (1999–2000)
- Troy Born – drums (1999–2001)
- Chad Tafolla – bass (1999), rhythm guitar (1999–2001)
- Vijay Kumar – bass (2000–2002)
- Molly Street – keyboards (2000–2003)
- Jona Weinhofen – lead guitar, backing vocals (2007–2009, 2014)
- Dave Nassie – rhythm guitar (2014), lead guitar (2009–2014)
| Live musicians - Mick Morris – bass (2001–2002)
- Rocky Gray – drums (2008)
- Dave Peters – lead and rhythm guitar (2008)
- Patrick Judge – lead and rhythm guitar (2009, 2013, 2019)
- Manny Contreras – rhythm and lead guitar (2010, 2013–2014, 2018-2019)
- Mick Kenney – lead and rhythm guitar (2010)
- Mark Garza – drums (2010)
- Justin Bock - bass (2018) guitar (2019)
- Brandon Richter – lead and rhythm guitar, backing vocals (2019, 2022-present)
- Robert Bloomfield – bass (2019)
- John Arnold - guitar (2022-present)
- Kory Anderson - guitar (2022), bass (2022)
- Chris Dale - bass (2022)
|