| John | Barnes | A footballer. |
| Kim | Beans | An investigative reporter. |
| Kate | Beckinsale | English actress and model. |
| Brian | Benson | One of the cops. |
| Patricia | Bradford | A divorced mother of three and in her 4th term on the city council. |
| George W. | Bush | 43rd U.S. President. |
| Agatha | Christie | An English writer. |
| Bill | Clinton | 42nd U.S. President. |
| Matt | Crowley | One of the cops. |
| Richard J. | Daley | Former Mayor of Chicago. |
| Erica | Daniels | One of the hookers. |
| Clarence | Darrow | American lawyer. |
| Shaw | DeCremer | Once served under the first President Bush's attorney general. |
| Francis | Delaney | The mayor. |
| Ramona | Dillavou | The manager of the brownstone brothel. |
| Tristan | Driscoll | The police superintendent. |
| Dwight D. | Eisenhower | 34th U.S. President. |
| Katherine | Fenton | A detective. Aka: Kate. |
| Heidi | Fleiss | Ran an upscale prostitution ring based in Los Angeles. |
| Mrs. | Ginger | In-charge at the CCD. |
| Michael Leonard | Goldberger | The chief of the Bureau of Internal Affairs. Aka: Goldie. |
| Daniel Collins | Harney | The chief of detectives. |
| Patricia | Harney | A detective. Aka: Patti. |
| William | Harney | A cop. Patti's twin brother. Aka: Billy |
| Jill | Jagoda | Billy's doctor. |
| Amy | Lentini | The assistant state's attorney. |
| Mary Ann | Lentini | Amy's mother. |
| Jacqueline C. | Lightford | A forensic scientist. |
| Spencer | Lipscomb | A forensic scientist with the Illinois State Police. |
| Ngosi | MacNamara | An assistant state's attorney. |
| Mark | Madison | An evidence technician for CPD. |
| Walter | McCabe | The judge. |
| Estefan | Morales | The County Commissioner. |
| Margaret | Olson | The Cook County state's attorney. |
| Michael Xavier | Phelan | An archbishop. |
| Chef | Pierre | A British chef. |
| Rick | Reynolds | A new detective working with Soscia. |
| | Sanchez | One of the hookers. |
| Loretta | Scopes | Olson's assistant. |
| Lanny | Soscia | A cop. Aka: Sosh. |
| John | Tedesco | A congressman. |
| Stilson | Tomita | Billy's lawyer. |
| Donald | Trump | 45th U.S. President. |
| Mark | Twain | American writer. |
| Joe | Washington | A sergeant. Aka: Mr. Camel Coat. |
| Brady | Wilson | A film critic who has a TV show. |
| Paul | Wizniewski | A police lieutenant. Aka: Wiz. |
| Aiden | | One of Patti's brothers. |
| Ann Marie | | Stewart's wife. |
| Annabelle | | Stewart's granddaughter. |
| Ava J. | | One of the hookers. |
| Brendan | | One of Patti's brothers. |
| Chocolate Q. | | A rapper. |
| Courtney G. | | One of the hookers. |
| Grace | | Stewart's daughter. |
| Krista K. | | One of the hookers. |
| Ladis | | Former CPD. |
| Leann L. | | One of the hookers. |
| Marnie B. | | One of the hookers. |
| Pameresh | | Billy's doctor. |
| Stewart | | Billy's acquaintance. |
| Valerie | | Billy's wife. |
