 James WoodsRoy Marcus Cohn | Roy Marcus Cohn |
 Joe Don BakerSen. Joseph McCarthy | Sen. Joseph McCarthy |
 Joseph BolognaWalter Winchell | Walter Winchell |
 Ed FlandersJoseph N. Welch | Joseph N. Welch |
 Frederic ForrestDashiell Hammett | Dashiell Hammett |
 Lee GrantDora Cohn | Dora Cohn |
 Pat HingleJ. Edgar Hoover | J. Edgar Hoover |
 John McMartinOlder Doctor | Older Doctor |
 Josef SommerAlbert Cohn | Albert Cohn |
 Daniel BenzaliFrancis Joseph Cardinal Spellman | Francis Joseph Cardinal Spellman |
 Tovah FeldshuhIva Schlesinger | Iva Schlesinger |
 John FinnSen. Charles Potter | Sen. Charles Potter |
 Frances FosterFirst Annie Lee Moss | First Annie Lee Moss |
 Allen GarfieldAbe Feller | Abe Feller |
 David Marshall GrantRobert F. Kennedy | Robert F. Kennedy |
 Joe GrifasiGerald Walpin | Gerald Walpin |
 Daniel Hugh KellyCongressman Neil Gallagher | Congressman Neil Gallagher |
 Karen LudwigEthel Rosenberg | Ethel Rosenberg |
 Novella NelsonSecond Annie Lee Moss | Second Annie Lee Moss |
 Peter MaloneyRay Kaplan | Ray Kaplan |
 Jeffrey NordlingG. David Schine | G. David Schine |
 Fritz WeaverSen. Everett Dirksen | Sen. Everett Dirksen |
| CChuck AberSen. John L. McClellan | Sen. John L. McClellan |
| LLamont ArnoldMale Nurse | Male Nurse |
| SSteve AronsonJudge Kaufman | Judge Kaufman |
| BBernard CanepariNew York Judge | New York Judge |
 Sam CoppolaCarmine Galante | Carmine Galante |
| BBrandon DanzigerYoung Roy Cohn | Young Roy Cohn |
 Patricia DunnockFemale Nurse | Female Nurse |
 David EarlyChauffeur | Chauffeur |
