 Kevin CostnerKenneth O'Donnell | Kenneth O'Donnell |
 Bruce GreenwoodJohn F. Kennedy | John F. Kennedy |
 Steven CulpRobert F. Kennedy | Robert F. Kennedy |
 Dylan BakerRobert McNamara | Robert McNamara |
 Michael FairmanAdlai Stevenson | Adlai Stevenson |
 Henry StrozierDean Rusk | Dean Rusk |
 Frank WoodMcGeorge Bundy | McGeorge Bundy |
 Kevin ConwayGen. Curtis LeMay | Gen. Curtis LeMay |
 Tim KelleherTed Sorensen | Ted Sorensen |
 Len CariouDean Acheson | Dean Acheson |
 Bill SmitrovichGen. Maxwell Taylor | Gen. Maxwell Taylor |
 Shawn DriscollU-2 Pilot | U-2 Pilot |
| DDrake CookMark O'Donnell | Mark O'Donnell |
 Stephanie RomanovJacqueline Kennedy | Jacqueline Kennedy |
 Lucinda JenneyHelen O'Donnell | Helen O'Donnell |
 Caitlin WachsKathy O'Donnell | Kathy O'Donnell |
 Jon FosterKenny O'Donnell, Jr. | Kenny O'Donnell, Jr. |
| MMatthew DunnKevin O'Donnell | Kevin O'Donnell |
| KKevin O'DonnellNPIC Photo Interpreter | NPIC Photo Interpreter |
| JJanet ColemanEvelyn Lincoln | Evelyn Lincoln |
 Bruce ThomasFloyd | Floyd |
 Dakin MatthewsArthur Lundahl | Arthur Lundahl |
| LLiz SinclairKenny's Assistant #1 | Kenny's Assistant #1 |
 Colette O'ConnellKenny's Assistant #2 | Kenny's Assistant #2 |
 Karen LudwigOperator Margaret | Operator Margaret |
 Audrey RapoportWhite House Operator #1 | White House Operator #1 |
| MMarliese SchneiderWhite House Operator #2 | White House Operator #2 |
 Ed LauterGen. Marshall Carter | Gen. Marshall Carter |
| WWalter AdrianLyndon Johnson | Lyndon Johnson |
 James KarenGeorge Ball | George Ball |
