 Broderick CrawfordJ. Edgar Hoover | J. Edgar Hoover |
 James WainwrightYoung Hoover | Young Hoover |
 Michael ParksRobert F. Kennedy | Robert F. Kennedy |
 José FerrerLionel McCoy | Lionel McCoy |
 Celeste HolmFlorence Hollister | Florence Hollister |
 Rip TornDwight Webb | Dwight Webb |
 Dan DaileyClyde Tolson | Clyde Tolson |
 Ronee BlakleyCarrie DeWitt | Carrie DeWitt |
 Howard Da SilvaPres. Franklin D. Roosevelt | Pres. Franklin D. Roosevelt |
 John MarleyDave Hindley | Dave Hindley |
 Michael SacksMelvin Purvis | Melvin Purvis |
 Raymond St. JacquesMartin Luther King | Martin Luther King |
 June HavocHoover's Mother | Hoover's Mother |
 Lloyd NolanAttorney General Harlan Stone | Attorney General Harlan Stone |
 Andrew DugganPres. Lyndon B. Johnson | Pres. Lyndon B. Johnson |
| JJack CassidyDamon Runyon | Damon Runyon |
 George PlimptonQuentin Reynolds | Quentin Reynolds |
 Lloyd GoughWalter Winchell | Walter Winchell |
 William JordanPres. John F. Kennedy | Pres. John F. Kennedy |
 Brad DexterAlvin Karpis | Alvin Karpis |
 George D. WallaceSenator Joseph McCarthy | Senator Joseph McCarthy |
 Henderson ForsytheSuydam | Suydam |
 Fred J. ScollayPutnam | Putnam |
 William Wellman Jr.Dwight Webb Sr. | Dwight Webb Sr. |
 Ellen BarberJanice Harper | Janice Harper |
 Art LundBenchley | Benchley |
| MMary Alice MooreMiss Bryant | Miss Bryant |
 Jim AntonioSenator Kenneth McKellar | Senator Kenneth McKellar |
| GGregg AbelsPresident's Aide | President's Aide |
 Dan ResinPresident's Advisor | President's Advisor |
