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| Series Cast Summary (29 of 326) (View more cast) | Episode Count | Year Range | STARmeter™ |

| Dominic West ... Det. James 'Jimmy' McNulty / ... | 60 | (2002-2008) | 819 |

| John Doman ... Dep. Comm. for Operations William A. Rawls / ... | 60 | (2002-2008) | 6,089 |
 | Wendell Pierce ... Det. William 'Bunk' Moreland | 60 | (2002-2008) | 5,940 |
 | Lance Reddick ... Lt. Cedric Daniels / ... | 60 | (2002-2008) | 3,448 |

| Deirdre Lovejoy ... Asst. State's Atty. Rhonda Pearlman | 60 | (2002-2008) | 6,073 |
 | Sonja Sohn ... Det. Shakima 'Kima' Greggs | 60 | (2002-2008) | 5,939 |
 | Seth Gilliam ... Sgt. Ellis Carver / ... | 60 | (2002-2008) | 7,148 |
 | Domenick Lombardozzi ... Det. Thomas 'Herc' Hauk / ... | 60 | (2002-2008) | 8,114 |
 | Clarke Peters ... Det. Lester Freamon | 59 | (2002-2008) | 6,881 |

| Andre Royo ... Bubbles / ... | 52 | (2002-2008) | 5,687 |
 | Michael K. Williams ... Omar Little | 51 | (2002-2008) | 1,978 |

| Jim True-Frost ... Det. Roland 'Prez' Pryzbylewski / ... | 50 | (2002-2008) | 8,034 |
 | Frankie Faison ... Commissioner Ervin H. Burrell / ... | 47 | (2002-2008) | 4,824 |
 | Corey Parker Robinson ... Det. Leander Sydnor | 45 | (2002-2008) | 16,015 |

| Delaney Williams ... Sgt. Jay Landsman | 45 | (2002-2008) | 13,277 |
 | J.D. Williams ... Preston Broadus | 42 | (2002-2006) | 7,907 |
 | Wood Harris ... Avon Barksdale | 38 | (2002-2008) | 3,022 |

| Idris Elba ... Russell 'Stringer' Bell | 37 | (2002-2004) | 667 |
 | Aidan Gillen ... Councilman Thomas 'Tommy' Carcetti / ... | 35 | (2004-2008) | 5,170 |

| Jamie Hector ... Marlo Stanfield | 32 | (2004-2008) | 5,392 |

| Gbenga Akinnagbe ... Chris Partlow / ... | 30 | (2002-2008) | 6,151 |

| Robert Wisdom ... Howard 'Bunny' Colvin / ... | 27 | (2003-2008) | 6,669 |
 | Chad Coleman ... Dennis 'Cutty' Wise | 26 | (2004-2008) | 6,749 |
 | Anwan Glover ... Slim Charles | 26 | (2004-2008) | 14,814 |

| Michael Kostroff ... Maurice 'Maury' Levy | 25 | (2002-2008) | 15,536 |
 | Michael Salconi ... Off. Michael Santangelo / ... | 25 | (2002-2008) | 48,185 |
 | Tray Chaney ... Malik 'Poot' Carr | 25 | (2002-2008) | 19,539 |

| Isiah Whitlock Jr. ... State Sen. R. Clayton 'Clay' Davis | 25 | (2002-2008) | 10,359 |
 | Felicia Pearson ... Felicia 'Snoop' Pearson | 25 | (2004-2008) | 6,503 |
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