J. Edgar Hoover
Robert Irwin
Mitchell Palmer
Palmer's Wife
Palmer's Daughter
Inspector
Dwight Eisenhower
Franklin Roosevelt
Agent Smith
Helen Gandy
Head Secretary
Edgar's Father
Annie Hoover
Hoover as a Child
Labor Dept. Lawyer
Caminetti
Emma Goldman
Agent Stokes
Bureau Agent (1919)
Inspector Schell
Secret Service Officer
Clyde Tolson
Agent Jones
Harlan Fiske Stone
Agent Williams
Raymond Caffrey
Edgar's Niece
Agent Appel
Lawrence Richey
Mr. Walters
Robert Kennedy
Credit Director
Tailor
Gangster
Balding Agent
Agent Garrison
NJ Officer
Colonel Schwarzkopf
Charles Lindbergh
John Condon
Young Agent
Albert Osborn
Bruno Hauptmann
Elmer Irey
Agent Sisk
Wiretap Agent
Hoover's Driver
Roosevelt's Secretary (as Roberta E. Bassin)
Restaurant Host
William
Truck Driver
Arthur Koehler
Attorney General
Senator Friendly
Senator McKellar
Fred Hunter
Alvin Karpis
William Mahan
Harry Brunette
Reporter
Shirley Temple
Stork Club Band
Stork Club Owner
Ginger Rogers
Lela Rogers
Anita Colby
Man at the Counter
Agent One
Agent Two
FBI Agent
Newspaper Boy
Baker's Wife
Theatre Cashier
Bronx Baker
Bank Teller
Walter Lyle
African American Woman (as Shannon McClain)
African American Man
Doctor
Agent Owens (as Ary Katz)
Radio Announcer (voice)
Prosecutor Wilentz
Jury Foreman
Hauptmann's Wife
Young Boy
Edgar's Mother's Doctor
Edgar's Brother
Richard Nixon
Hoover's Maid
H.R. Haldeman
Nixon Aide
Agent (uncredited)
Courtroom Reporter (uncredited)
Moviegoer / Courtroom Onlooker (uncredited)
Jeff McCord in G-Men (archive footage) (uncredited)
Racetrack Gambler (uncredited)
Doughboy (uncredited)
Washington Post Reporter (uncredited)
Starlet (uncredited)
Reporter (uncredited)
Radical Citizen (uncredited)
Federal Agent (uncredited)
Violet Yost - Spanish Flu Reporter (uncredited)
Marine Escort (uncredited)
Photographer (uncredited)
Marine (uncredited)
Leah (uncredited)
NJ State Trooper (uncredited)
RFK's Secretary (uncredited)
1940's Reporter (uncredited)
Kitty in The Public Enemy (archive footage) (uncredited)
FBI Agent (uncredited)
1920s Detective (uncredited)
Radical (uncredited)
NY Rookie Officer (uncredited)
1930s Courtroom Onlooker (uncredited)
Officer Jones (uncredited)
Radio Production Manager (uncredited)
Widow (uncredited)
Lucille Ball (uncredited)
Gangster's Moll (uncredited)
Cue Card Holder (uncredited)
Hoover's Secretary (uncredited)
1930s Detective (uncredited)
Paterson Police Officer (uncredited)
Courtroom Onlooker (uncredited)
Self (archive footage) (uncredited)
Arresting secret service agents (uncredited)
Court Observer (uncredited)
Courthouse Citizen (uncredited)
Demonstrator Outside Courthouse at Lindbergh-Hauptmann Trial (uncredited)
Secretary (uncredited)
Juror #10 (uncredited)
Bombing witness (uncredited)
World War I Reporter (uncredited)
1935 Report (uncredited)
Dirty Radical (uncredited)
US Senator (uncredited)
Senator (uncredited)
Beatdown Radical (uncredited)
News Cameraman (uncredited)
Racetrack Patron (uncredited)
Bank Teller (uncredited)
Bartender (uncredited)
Restaurant Patron (uncredited)
Federal Agent Troy (uncredited)
State Trooper (uncredited)
Court Room Stenographer (uncredited)
Shirley Temple's Mother (uncredited)
Judge at Hauptmann Trial (uncredited)
Agent Newhouse (uncredited)
Reporter / Cameraman (uncredited)
New Jersey State Trooper (uncredited)
1930's FBI Agent (uncredited)
1930s Lindbergh's Trial Onlooker (uncredited)
Lindbergh Juror #5 (uncredited)
Agent Downey (uncredited)
Detective (uncredited)
Immigrant (uncredited)
FBI Agent Special Assistant to Hoover (uncredited)
Courtroom Observer (uncredited)
Court Reporter (uncredited)
Radio Tech in Shed Scene (uncredited)
Reporter #1 (uncredited)
Police Captain (uncredited)
The Great Depression Reporter (uncredited)
Premiere Goer (uncredited)
Film Premiere Attendee (uncredited)
Rioter (uncredited)
New Orleans Pedestrian (uncredited)
Pedistrian (uncredited)