| 角色 | 演員 |
| Himself | Hugh Aynesworth |
| Himself (archive footage) | David Bellin |
| Himself - Warren Commission (archive footage) | Hale Boggs |
| Herself - Alleged JFK Mistress (archive footage) | Judith Campbell Ex.. |
| Himself - Cuban President (archive footage) | 菲德爾·卡斯特羅（Fidel Castro） |
| Himself - Attorney General (archive footage) | Ramsey Clark |
| Himself - Warren Commission (archive footage) | John Sherman Cooper |
| Himself (archive footage) | 沃爾特·克隆凱特（Walter Cronkite） |
| Himself - Dallas Police Chief (archive footage) | J.E. Curry |
| Himself | Robert Dallek |
| Himself (archive footage) | Dinh Diem Ngo |
| Himself - Warren Commission (archive footage) | Allen Dulles |
| Himself | Edward J. Epstein |
| Himself (archive footage) | Edmond Fatter |
| Himself (archive footage) | David Ferrie |
| Himself - Warren Commission (archive footage) | Gerald Ford |
| Himself (archive footage) | Jim Garrison |
| Himself (archive footage) | Sam Giacono |
| Himself | Todd Gitlin |
| Himself - BBC Reporter (archive footage) | Kenneth Harris |
| Himself | Gary Hart |
| Himself | 湯姆·海登（Tom Hayden） |
| Himself - FBI Head (archive footage) | J. Edgar Hoover |
| Herself - First Lady (archive footage) | Lady Bird Johnson |
| Himself (archive footage) | Lyndon Johnson |
| Herself - First Lady (archive footage) | Jaqueline Kennedy |
| Himself (archive footage) | 約翰·肯尼迪（John F. Kennedy） |
| Himself (archive footage) | 羅伯特·肯尼迪（Robert F. Kennedy） |
| Himself (archive footage) | Nikita Khrushchev |
| Himself (archive footage) | 馬丁·路德·金（Martin Luther King） |
| Himself | Mark Lane |
| Himself | 諾曼·梅勒（Norman Mailer） |
| Himself - Warren Commission (archive footage) | John J. McCloy |
| Herself (as Priscilla Johnson McMillan) | Priscilla McMillan |
| Himself (archive footage) | Cliff Michelmore |
| Himself (archive footage) | 理查德·尼克松（Richard Nixon） |
| Himself - Alleged Assassin (archive footage) | Lee Harvey Oswald |
| Herself - Oswald's Mother (archive footage) | Marguerite Oswald |
| Herself - Oswald's Wife (archive footage) | Marina Oswald |
| Himself (archive footage) | Tom Pettit |
| Himself | Dan Rather |
| Himself - News Reporter (archive footage) | Harry Reasoner |
| Himself - Warren Commission (archive footage) | Richard B. Russell |
| Himself (archive footage) | Perry R. Russo |
| Himself (archive footage) | Clay Shaw |
| Himself (archive footage) | Arlen Specter |
| Himself - Filming JFK Movie | 奧利弗·斯通（Oliver Stone） |
| Himself | Josiah Thompson |
| Himself (archive footage) | Edmond Walker |
| Himself (archive footage) | Edwin A. Walker |
| Himself - News Reporter (archive footage) | 邁克·華萊士（Mike Wallace） |
| Himself - Warren Commission (archive footage) | Earl Warren |
| Himself (archive footage) | William C. Westmor.. |
| Himself (archive footage) | Abraham Zapruder |
