| Donna | Allen | The First Lady's chief of staff. |
| Randy | Anderson | An ex-Secret Service agent. |
| Gus | Bannon | A detective. |
| Nikki | Blu | One of Grace Tucker's staff members. |
| Roy | Bogart | One of the deputy sheriffs. |
| Rhonda | Buell | The floor manager. |
| Nancy | Cook | One of the deputy sheriffs. |
| Lucian | Crockett | A CEO of the nation's largest corporation. |
| Tammy | Doyle | Harrison's girl friend. |
| Gil | Foster | Sally's colleague. |
| Mr. | Fuller | Grace's father. |
| Tanya | Glenn | One of the agents. |
| Ann | Glynn | Parker's secretary. |
| Marsha | Gray | A former marine sniper. |
| Albert | Greer | Ben's lawyer. |
| Sally | Grissom | Special Agent in charge of the Presidential Protective Division. |
| Parker | Hoyt | The President's chief of staff. |
| Mr. | Lockney | Mr. Hoyt's acquaintance. |
| Carla | Luiz | One of the agents. |
| Amelia | Miller | Sally's daughter. |
| Paul | Moody | A pilot. |
| Ralph | Moren | An admin aide. |
| Rupert | Munson | The executive vice president of Internal Operations. |
| Todd | Pence | Sally's neighbor. |
| John Joseph | Pershing | Head of the American Expeditionary Force. Aka: Black Jack. |
| Amanda | Price | Tammy's boss. |
| Taylor | Smith | Harrison's acquaintance. |
| Pamela | Smithson | The First Lady's Secret Service agent head. |
| Miriam | Tanner | A former majority leader. |
| Jackson | Thiel | The lead agent of the President's personal protective detail. |
| Scott | Thompson | Assistant Special Agent in charge. Aka: Scotty |
| Grace Fuller | Tucker | The First Lady. |
| Harrison | Tucker | The President of the United States. Aka: Harry. |
| Congressman | Vickers | The state campaign director. |
| Pancho | Villa | A Mexican general. |
| Connie | Westbrook | A farm owner. |
| Laura | Young | The President's secretary. |
| Brian | Zahn | One of the agents. |
| Amy | | One of Amelia's friends. |
| Arapahoe | | A horse. |
| Ben | | Sally's husband. |
| Caleb | | A taxi cab driver. |
| Canal | | The President's Secret Service code name. |
| Canary | | The First Lady's Secret Service code name. |
| Carl | | Son of a prominent politician. |
| Esther | | Sally's mother-in-law. |
| Gregory | | One of the homeless. |
| Gwen | | One of Sally's sisters. |
| Jamal | | A cab driver's cousin. |
| Jeb | | Amanda's acquaintance. |
| Jeremy | | The President's press secretary. |
| Kate | | One of Sally's sisters. |
| Maureen | | Grace's mother. |
| Patty | | One of Grace Tucker's staff members. |
| Phoebe | | Todd's older sister. |
| Ron | | Esther's husband. |
| Sandy | | One of the forensic technician. |
| Stacy | | One of Amelia's friends. |
| Stephenson | | An ex-marine. |