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