| Goalkeeper | |||||
|---|---|---|---|---|---|
| # | Name | Country | Birthday | ||
| 1 |  | Jon Busch |  | USA | 18.08.1976 |
| 28 |  | Nick Noble | | USA | 01.09.1984 |
| Defence | |||||
| # | Name | Country | Birthday | ||
| 2 |  | C.J. Brown | | USA | 15.06.1975 |
| 22 |  | Wilman Conde |  | Colombia | 29.08.1982 |
 | Jökull Elísabetarson |  | Iceland | 26.04.1984 | |
| 23 |  | Líder Mármol |  | Paraguay | 02.10.1985 |
| 6 |  | Brandon Prideaux | | USA | 18.08.1976 |
| 32 |  | Dasan Robinson | | USA | 06.06.1984 |
| 13 |  | Gonzalo Segares |  | Costa Rica | 13.10.1982 |
| 4 |  | Bakary Soumaré |  | Mali | 09.11.1985 |
| 34 |  | Austin Washington | | USA | 26.09.1985 |
| 24 |  | Daniel Woolard | | USA | 22.05.1984 |
| Midfield | |||||
| # | Name | Country | Birthday | ||
| 20 |  | Mike Banner | | USA | 20.10.1984 |
| 35 |  | Bruno Menezes |  | Brazil | 20.03.1984 |
| 8 |  | Diego Gutierrez | | Colombia | 03.11.1972 |
| 33 |  | Stephen King | | USA | 06.03.1986 |
| 21 |  | Justin Mapp | | USA | 18.10.1984 |
| 12 |  | Patrick Nyarko |  | Ghana | 15.01.1986 |
| 7 |  | Logan Pause | | USA | 22.08.1981 |
| 5 |  | Brian Plotkin | | USA | 03.08.1984 |
| 11 |  | John Thorrington | | USA | 10.07.1979 |
| Forward | |||||
| # | Name | Country | Birthday | ||
| 19 |  | Chad Barrett | | USA | 30.04.1985 |
| 10 |  | Cuauhtémoc Blanco |  | Mexico | 17.01.1973 |
| 3 |  | Calen Carr | | USA | 04.10.1982 |
| 9 |  | Tomasz Frankowski |  | Poland | 16.08.1974 |
| 26 |  | Andy Herron | | Costa Rica | 02.03.1978 |
| 17 |  | Chris Rolfe | | USA | 17.01.1983 |
| Manager | |||||
| # | Name | Country | Birthday | ||
 | Denis Hamlett | | Costa Rica | 09.01.1969 | |
| Ass. Coach | |||||
| # | Name | Country | Birthday | ||
 | Chris Armas | | USA | 27.08.1972 | |
 | Mike Jeffries | | USA | 20.05.1962 | |
| Goalkeeper Coach | |||||
| # | Name | Country | Birthday | ||
 | Daryl Shore | | USA | 06.01.1970 | |
Chicago Fire