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