| Person | Type | Job | Role(s) |
|---|---|---|---|
 Adele Palmer | Crew | Costume & Make-Up | Costume Designer |
 Bob Herron | Crew | Crew | Stunts |
Gordon Bau | Crew | Costume & Make-Up | Makeup Supervisor |
 J. Edgar Hoover | Crew | Crew | Thanks |
Jack Boland | Crew | Directing | Assistant Director |
John Beckman | Crew | Art | Art Direction |
John F. Burnett | Crew | Editing | Assistant Editor |
 John Twist | Crew | Writing | Screenplay |
Joseph F. Biroc | Crew | Camera | Director of Photography |
M.A. Merrick | Crew | Sound | Sound |
 Max Steiner | Crew | Sound | Original Music Composer |
 Mervyn LeRoy | Crew | Directing | Director, Producer |
Ralph S. Hurst | Crew | Art | Set Decoration |
 Richard L. Breen | Crew | Writing | Screenplay |
Ted Mapes | Crew | Crew | Stunts |
Murray Cutter | Crew | Sound | Orchestrator |
Philip W. Anderson | Crew | Editing | Editor |
Don Whitehead | Crew | Writing | Book |
George Reid | Crew | Sound | Sound Editor |
Ann Saunders | Crew | Costume & Make-Up | Hairstylist |
David Silver | Crew | Directing | Assistant Director |
Harlan W. Phillips | Crew | Costume & Make-Up | Makeup Artist |
 Adam West | Cast | Actor | Man on Two-Way Radio (voice) (uncredited) |
Angelo De Meo | Cast | Actor | Fred Hunter (uncredited) |
 Ann Doran | Cast | Actress | Mrs. Ballard (uncredited) |
Ben Erway | Cast | Actor | Justice Dept. Lawyer (uncredited) |
 Britt Wood | Cast | Farmer (uncredited) | |
Bud Cokes | Cast | Actor | FBI Agent (uncredited) |
 Buzz Martin | Cast | Actor | Mike Hardesty |
Charles Soldani | Cast | Indian on Train (uncredited) | |
 Chet Brandenburg | Cast | Actor | Construction Worker (uncredited) |
 Chief Yowlachie | Cast | Actor | Harry Willowtree (uncredited) |
 David McMahon | Cast | Actor | Klansman (uncredited) |
 Dorothy Neumann | Cast | Actress | Landlady (uncredited) |
 Ed Prentiss | Cast | Actor | U.S. Marshal |
 Eddie Little Sky | Cast | Actor | Henry Roanhorse (uncredited) |
 Eleanor Audley | Cast | Actress | Mrs. King - Graham's Mother (uncredited) |
 Elizabeth Harrower | Cast | Actress | Clerk (uncredited) |
Ella Ethridge | Cast | Actress | Farmer's Wife (uncredited) |
 Fay Roope | Cast | Actor | Dwight McCutcheon |
Fern Barry | Cast | Farmer's Wife (uncredited) | |
 Forrest Taylor | Cast | Actor | Wedding Minister (uncredited) |
 George Pembroke | Cast | Actor | Chief of Civil Aeronautics Board (uncredited) |
George Selk | Cast | Organist / Janitor (uncredited) | |
 Grandon Rhodes | Cast | Actor | Minister at Funeral (uncredited) |
 Guy Teague | Cast | Deputy Marshal (uncredited) | |
 Guy Wilkerson | Cast | Actor | Cliff Eberhardt (uncredited) |
 Harry Harvey | Cast | Actor | Mrs. King's Neighbor (uncredited) |
 Herb Armstrong | Cast | Actor | Frank Nash (uncredited) |
J. Edgar Hoover | Cast | Actor | J. Edgar Hoover (uncredited) |
Jack Henderson | Cast | Actor | Hardware Store Owner (uncredited) |
James Gonzalez | Cast | Actor | FBI Agent (uncredited) |
 James Stewart | Cast | Actor | John Michael ('Chip') Hardesty |
 Jean Willes | Cast | Actress | Anna Sage |
Joan Dupuis | Cast | Party Guest (uncredited) | |
John Damler | Cast | Actor | Denver S.A.C. (uncredited) |
 John Pickard | Cast | Actor | Klansman (uncredited) |
 Joyce Taylor | Cast | Actress | Anne Hardesty |
 Judd Holdren | Cast | Actor | Party Guest (uncredited) |
 Kay E. Kuter | Cast | Actor | Barber (uncredited) |
 Ken Mayer | Cast | Actor | Casket Salesman (as Kenneth Mayer) |
Kenneth Gibson | Cast | Graduation Audience Member (uncredited) | |
 Larry Pennell | Cast | Actor | George Crandall |
 Lori Martin | Cast | Actress | Anne Hardesty at 8 (uncredited) |
Lowell Brown | Cast | Actor | Party Guest (uncredited) |
 Luana Anders | Cast | Actress | Mrs. Graham (uncredited) |
Mabel Smaney | Cast | Actress | Passerby Outside Theatre (uncredited) |
Mary Ann Edwards | Cast | Marge (uncredited) | |
Maurice Wells | Cast | Actor | Speaker (uncredited) |
Michael Smith | Cast | Actor | George Crandall at 12 (uncredited) |
 Murray Hamilton | Cast | Actor | Sam Crandall |
Nesdon Booth | Cast | Actor | Sandy - Driver (uncredited) |
 Nick Adams | Cast | Actor | John Gilbert ('Jack') Graham |
 Parley Baer | Cast | Actor | Harry Dakins |
Patrick Whyte | Cast | Actor | Major (uncredited) |
Paul Denton | Cast | Actor | FBI Agent (uncredited) |
Paul Genge | Cast | Actor | "Whitey" |
 Peter Brown | Cast | Actor | FBI Agent at Hearting (voice) (uncredited) |
Rand Harper | Cast | Actor | Assistant Denver S.A.C. (uncredited) |
 Ray Montgomery | Cast | Actor | Driver (uncredited) |
 Robert Clarke | Cast | Actor | Bartender (uncredited) |
 Robert Gist | Cast | Actor | Medicine Salesman |
 Ron Nyman | Cast | Actor | Commuter at Airport (uncredited) |
 Roy Gordon | Cast | Actor | Emmett Reese (uncredited) |
 Roy Thinnes | Cast | Actor | Party Guest (uncredited) |
 Sam Flint | Cast | Actor | Doctor (uncredited) |
 Sayre Dearing | Cast | Actor | Airport Employee (uncredited) |
 Shirley Bonne | Cast | Actress | Party Guest (uncredited) |
 Stacy Keach, Sr. | Cast | Actor | Machine Gun Kelly (uncredited) |
Ted Mapes | Cast | FBI Agent (uncredited) | |
 Terry Frost | Cast | Actor | Craig (uncredited) |
Tom Monroe | Cast | Klansman (uncredited) | |
 Tom Wilson | Cast | Actor | Chicago Passerby (uncredited) |
 Vera Miles | Cast | Actress | Lucy Ann Hardesty |
 Victor Adamson | Cast | Actor | Train Passenger (uncredited) |
 Victor Millan | Cast | Actor | Mario |
Will J. White | Cast | Actor | Silvano / J. Edgar Hoover (uncredited) |
 William Phipps | Cast | Actor | Baby Face Nelson (uncredited) |
George Ford | Cast | Plane Passenger (uncredited) | |
Michael Garrett | Cast | Insurance Salesman (uncredited) | |
Dick Cherney | Cast | Actor | FBI Agent (uncredited) |
 Charles Bateman | Cast | Actor | FBI Agent (uncredited) |
 Burt Mustin | Cast | Actor | Uncle Fudd Schneider (uncredited) |
 Diane Jergens | Cast | Actress | Jennie Hardesty |
Jack Tesler | Cast | Operator (uncredited) | |
Russ McCubbin | Cast | Actor | Ku Klux Klan Member / Man Setting In Diner (uncredited) |
Tex Holden | Cast | Actor | Townsman (uncredited) |
Charles Brunner | Cast | Bill Smith (uncredited) | |
 Jeanne Dante | Cast | Actress | Party Guest (uncredited) |
 George Khoury | Cast | Actor | Alvin Karpis (uncredited) |
Nick Borgani | Cast | Construction Worker (uncredited) | |
Glenn Stensel | Cast | Actor | Undetermined Secondary Role (uncredited) |
 Paul Smith | Cast | Actor | Albert Shaw (uncredited) |
Jane Crowley | Cast | Actress | Ma Barker (uncredited) |
Robert Locke Lorraine | Cast | Plane Passenger (uncredited) | |
John Truax | Cast | Actor | Boyd (uncredited) |
Charles Postal | Cast | Justice Dept. Lawyer (uncredited) | |
Bob Peoples | Cast | Sam Cowley (uncredited) | |
Roque Ybarra | Cast | Murdered Indian (uncredited) | |
Murray Pollack | Cast | Actor | FBI Agent (uncredited) |
Herman Rudin | Cast | Actor | Hoodlum (uncredited) |
Paul Ravel | Cast | Counterman (uncredited) | |
John Quijada | Cast | Argentine Policeman (uncredited) | |
Jerry Brent | Cast | Western Union Boy (uncredited) | |
Al McGranary | Cast | Mr. Ballard (uncredited) | |
Benjie Bancroft | Cast | FBI Agent (uncredited) | |
Elmore Vincent | Cast | Actor | Farmer (uncredited) |
Alan Craig | Cast | Actor | Fred Barker (uncredited) |
Selene Walters | Cast | Polly (uncredited) | |
Theona Bryant | Cast | Actress | Edith Crandall (uncredited) |
Sid Kane | Cast | Actor | George Metzger - Espionage Agent (uncredited) |
Audley Anderson | Cast | Farmer (uncredited) | |
Alan Paige | Cast | Checker (uncredited) | |
Vincent St. Cyr | Cast | Dan Savagehorse (uncredited) | |
Robin Eccles | Cast | Anne Hardesty at 4 (uncredited) | |
Herbert Winters | Cast | Actor | FBI Agent (uncredited) |
David Barclay | Cast | FBI Agent #3 (uncredited) | |
Rickey Kelman | Cast | Mike Hardesty at 10 (uncredited) | |
Bert Spencer | Cast | Actor | FBI Agent (uncredited) |
Arthur D. Gilmour | Cast | Major (uncredited) | |
Walter Kightly | Cast | FBI Agent (uncredited) | |
| Person | Type | Job | Role(s) |
