 | Lance Reddick |  | Cedric Daniels, Col. Cedric Daniels, Dep. Comm. for Operations Cedric Daniels, Deputy Police Comm. Cedric Daniels, Lt. Cedric Daniels |
| Wendell Pierce | | Bunk Moreland, Det. William "Bunk" Moreland, Det. William 'Bunk' Moreland |
 | Sonja Sohn | | Det. Shakima "Kima" Greggs, Det. Shakima 'Kima' Greggs, Shakima Greggs |
| Seth Gilliam | | Det. Ellis Carver, Ellis Carver, Sgt. Ellis Carver |
 | Dominic West | | Det. James "Jimmy" McNulty, Off. James 'Jimmy' McNulty |
 | Clarke Peters | | Det. Lester Freamon, Lester Freamon |
 | Domenick Lombardozzi | | Det. Thomas 'Herc' Hauk, Det. Thomas R. "Herc" Hauk, Herc Hauk, Off. Thomas R. "Herc" Hauk, Sgt Thomas R. "Herc" Hauk, Thomas 'Herc' Hauk, Thomas R. "Herc" Hauk |
 | John Doman | | Acting Commissioner William A. Rawls, Acting Police Comm. William A. Rawls, Bill Rawls, Col. William A. Rawls, Dep. Comm. William A. Rawls, Deputy Ops. William A. Rawls, Maj. William A. Rawls |
 | Deirdre Lovejoy | | Asst States Attorney Rhonda Pearlman, Asst. State's Atty. Rhonda Pearlman, Asst. States Attorney Rhonda Pearlman, Chief State's Attorney of Violent Crimes Rhonda Pearlman, Ronnie Pearlman |
| Frankie Faison | | Acting Commissioner Ervin H. Burrell, Acting Police Comm. Ervin H. Burrell, Deputy Comm. Ervin H. Burrell, Ervin Burrell, Police Comm. Ervin H. Burrell |
| Jim True-Frost | | Det. Roland "Prez" Pryzbylewski, Off. Roland "Prez" Pryzbylewski, Prez Pryzblewski, Roland "Prez" Pryzbylewski |
| Andre Royo | | Bubbles, Reginald 'Bubbles' Cousins |
| Michael K. Williams | | Omar Little |
| Corey Parker-Robinson | | Det. Leander Sydnor, Leander Sydnor |
| Delaney Williams | | Jay Landsman, Sgt. Jay Landsman |
| J.D. Williams | | D'Angelo Barksdale, Preston 'Bodie' Broadus |
 | Idris Elba | | Russell 'Stringer' Bell |
| Wood Harris | | Avon Barksdale |
| Aidan Gillen | | Councilman Thomas "Tommy" Carcetti, Mayor Thomas "Tommy" Carcetti, Mayor Thomas 'Tommy' Carcetti, Thomas Carcetti |
 | Jamie Hector | | Marlo Stanfield |
| Tray Chaney | | Malik "Poot" Carr, Poot |
 | Robert Wisdom | | Bunny Colvin, Howard "Bunny" Colvin, Maj. Howard "Bunny" Colvin |
| Larry Gilliard Jr. | | D'Angelo Barksdale, D\'Angelo Barksdale |
| Gbenga Akinnagbe | | Chris Partlow |
| Isiah Whitlock Jr | | Clay Davis, State Senator R. Clayton "Clay" Davis |
| Anwan Glover | | Slim Charles |
| Robert F. Chew | | Joe "Proposition Joe" Stewart, Joseph "Proposition Joe" Stewart, Proposition Joe Stewart |
| Reg E. Cathey | | Norman Wilson |
| Michael Kostroff | | Maurice "Maury" Levy, Maury Levy |
 | Tristan Wilds | | Michael, Michael Lee, Micheal Lee |
| Hassan Johnson | | Roland "Wee-Bey" Brice, Wee-Bey Brice |
| Chad Coleman | | Cutty Wise, Dennis "Cutty" Wise |
 | Amy Ryan | | Beatrice Russell, Off. Beatrice "Beadie" Russell, Off. Beatrice 'Beadie' Russell |
| Jermaine Crawford | | Duquan "Dukie" Weems, Duquan 'Dukie' Weems |
| Michael Salconi | | Det. Michael Santangelo, Michael Santangelo, Off. Michael Santangelo |
| Felicia Pearson | | Felicia "Snoop" Pearson, Snoop |
| Richard Burton II | | Shaun "Shamrock" McGinty |
| Paul Ben-Victor | | Spiros "Vondas" Vondopoulos, Spiros 'Vondas' Vondopoulos |
| Peter Gerety | | Daniel Phelan, Judge Daniel Phelan |
| Maria Broom | | City Councilwoman Marla Daniels, Marla Daniels |
| Michael B. Jordan | | Wallace |
| Leo Fitzpatrick | | Johnny |
| Edward T. Norris | | Det. Ed Norris, Det. Edward Norris |
| Al Brown | | Dep. Comm. for Admin. Stanislaus "Stan" Valchek, Maj. Stanislaus "Stan" Valchek, Stan Valchek |
| Richard DeAngelis | | Col. Ray Foerster, Col. Raymond Foerster, Maj. Ray Foerster, Ray Foerster |
| Brandy Burre | | Terri D'Agostino |
| Benjamin Busch | | Anthony Colicchio, Off. Anthony Colicchio |
| Glynn Turman | | Clarence Royce, Clarence V. Royce, Mayor Clarence V. Royce |
| Maestro Harrell | | Randy Wagstaff |
| Brian Anthony Wilson | | Det. Vernon Holley, Vernon Holley |
| Jay Landsman | | Dennis Mello, Lt. Dennis Mello, Maj. Dennis Mello |
| Frederick Strother | | Odell Watkins, State Delegate Odell Watkins |
| Chris Bauer | | Frank Sobotka |
| Michael Hyatt | | Brianna Barksdale |
| Shamyl Brown | | Donette |
| Callie Thorne | | Elena McNulty |
| Melanie Nicholls-King | | Cheryl |
| Cleo Reginald Pizana | | Coleman Parker |
| Rick Otto | | Off. Kenneth Dozerman |
| Dan Deluca | | Dr David Parenti, Dr. David Parenti, Professor David Parenti |
In the UK... it's next showing on FX 
United States
Comments
Best American series since Homicide also set in sunny Baltimore !!!
Roll on season 2 !
Best programme i have watched....not missed one looking forward to the nxt season!!! xx