| Person | Type | Job | Role(s) |
|---|---|---|---|
 Barry Abrams | Crew | Camera | Additional Photography |
 Chris Lebenzon | Crew | Editing | Editor |
Fenton Hamilton | Crew | Production | Production Consultant |
Janelle Webb | Crew | Production | Co-Producer, Still Photographer |
 Larry Cohen | Crew | Directing | Director, Producer, Writer |
 Miklós Rózsa | Crew | Sound | Original Music Composer |
Paul Glickman | Crew | Camera | Director of Photography |
Peter Sabiston | Crew | Production | Production Executive |
Robin Clarke | Crew | Sound | Music Editor |
 Stefan Czapsky | Crew | Camera | Assistant Camera |
Steve Neill | Crew | Costume & Make-Up | Makeup Artist |
Ve Neill | Crew | Costume & Make-Up | Makeup Artist |
Arthur Mandelberg | Crew | Production | Associate Producer |
Lewis Freedman | Crew | Costume & Make-Up | Costume Design |
Josephine Cianella | Crew | Costume & Make-Up | Makeup Artist |
Ken Hall | Crew | Sound | Music Editor |
Carolyn Loewenstein | Crew | Costume & Make-Up | Costume Design |
Cathy Davis | Crew | Art | Production Design |
Reid Freeman | Crew | Directing | Assistant Director |
Robert Ghiraldini | Crew | Sound | Sound |
Mark Zavad | Crew | Camera | Additional Photography |
Itzach Barouch | Crew | Camera | Key Grip |
Rifka Gold | Crew | Costume & Make-Up | Makeup Artist |
Jane Landis | Crew | Sound | Sound |
Fifi Oscard | Crew | Production | Casting Consultant |
Ronni Chasen | Crew | Crew | Unit Publicist |
John M. Crewdson | Crew | Crew | Technical Advisor |
Carmen La Via | Crew | Production | Casting Consultant |
Cathy McNulty | Crew | Directing | Script Supervisor |
 Andrew Duggan | Cast | Actor | Pres. Lyndon B. Johnson |
 Brad Dexter | Cast | Actor | Alvin Karpis |
 Broderick Crawford | Cast | Actor | J. Edgar Hoover |
 Bruce Weitz | Cast | Actor | Voice on Tape |
 Celeste Holm | Cast | Actress | Florence Hollister |
 Dan Dailey | Cast | Actor | Clyde Tolson |
 Dan Resin | Cast | Actor | President's Advisor |
 Ellen Barber | Cast | Actress | Janice Harper |
 George Plimpton | Cast | Actor | Quentin Reynolds |
 George D. Wallace | Cast | Actor | Senator Joseph McCarthy |
 Henderson Forsythe | Cast | Actor | Suydam |
 Howard Da Silva | Cast | Actor | Pres. Franklin D. Roosevelt |
 Jack Cassidy | Cast | Actor | Damon Runyon |
Jack Drummond | Cast | Actor | FBI Agent |
 James Dixon | Cast | Actor | Reilly |
James Dukas | Cast | Actor | Frank |
 James Wainwright | Cast | Actor | Young Hoover |
 Jennifer Lee Pryor | Cast | Actress | Ethel Brunette |
 Jim Antonio | Cast | Actor | Senator Kenneth McKellar |
John Bay | Cast | Actor | Heywood Brown |
 John Marley | Cast | Actor | Dave Hindley |
 José Ferrer | Cast | Actor | Lionel McCoy |
 June Havoc | Cast | Actress | Hoover's Mother |
 Larry Pine | Cast | Actor | Kelly |
 Lloyd Gough | Cast | Actor | Walter Winchell |
 Lloyd Nolan | Cast | Actor | Attorney General Harlan Stone |
 Michael Parks | Cast | Actor | Robert F. Kennedy |
 Michael Sacks | Cast | Actor | Melvin Purvis |
 Raymond St. Jacques | Cast | Actor | Martin Luther King |
Richard M. Dixon | Cast | Actor | The President |
 Rip Torn | Cast | Actor | Dwight Webb |
Ron Faber | Cast | Actor | Hijacker |
 Ronee Blakley | Cast | Actress | Carrie DeWitt |
 Sam Chew Jr. | Cast | Actor | FBI Agent |
 Tanya Roberts | Cast | Actress | Stewardess |
 William Jordan | Cast | Actor | Pres. John F. Kennedy |
 William Wellman Jr. | Cast | Actor | Dwight Webb Sr. |
 Art Lund | Cast | Actor | Benchley |
 Hanns Manship | Cast | FBI Agent | |
 Fred J. Scollay | Cast | Actor | Putnam |
Joe ArrowSmith | Cast | Newspaper Man | |
Mary Alice Moore | Cast | Miss Bryant | |
Gordon Zimmerman | Cast | Louis Lepke | |
Brooks Morton | Cast | Earl Warren | |
Paul Thomas | Cast | Actor | FBI Agent |
Joe Mayo | Cast | White House Aide | |
Marshall Bordon | Cast | White House Aide | |
Ken Harvey | Cast | FBI Agent | |
Frank Rohrbach | Cast | White House Aide | |
Alvin Miles | Cast | Valet | |
Ed Nast | Cast | FBI Agent | |
Marty Lee | Cast | Mafia Man | |
Reno Carrel | Cast | Dillinger | |
Penny du Pont | Cast | Newscaster | |
Dana Rowe | Cast | FBI Agent | |
Wyman Kane | Cast | Senator Markum | |
Colin Bremner | Cast | FBI Agent | |
Margo Lynn Curtis | Cast | Stewardess | |
Gregg Abels | Cast | President's Aide | |
Gwyn Gilliss | Cast | Mary Jo Kopechne (voice) | |
John Stefano | Cast | Harry Brunette | |
| Person | Type | Job | Role(s) |
