| Person | Type | Job | Role(s) |
|---|---|---|---|
 Al Clark | Crew | Editing | Editor |
Arthur S. Black Jr. | Crew | Directing | Assistant Director |
 Dimitri Tiomkin | Crew | Sound | Original Music Composer |
 Frank Capra | Crew | Directing | Director |
Gene Havlick | Crew | Editing | Editor |
Joseph Walker | Crew | Camera | Director of Photography |
 Lewis R. Foster | Crew | Writing | Story |
Lionel Banks | Crew | Art | Art Direction |
 Morris Stoloff | Crew | Sound | Music Director |
Robert Kalloch | Crew | Costume & Make-Up | Costume Design |
 Sidney Buchman | Crew | Writing | Screenplay |
 Slavko Vorkapich | Crew | Visual Effects | Visual Effects |
 Al Bridge | Cast | Actor | Senator Dwight (uncredited) |
 Alec Craig | Cast | Actor | Speaker (uncredited) |
Alex Novinsky | Cast | Foreign Diplomat (uncredited) | |
Allan Cavan | Cast | Actor | Ragner (uncredited) |
 Ann Doran | Cast | Actress | Paine's Secretary (uncredited) |
 Anne Cornwall | Cast | Actress | Senate Reporter (uncredited) |
 Arthur Loft | Cast | Actor | Chief Clerk (uncredited) |
Arthur Thalasso | Cast | Actor | Doorman (uncredited) |
 Astrid Allwyn | Cast | Actress | Susan Paine |
Beatrice Curtis | Cast | Actress | Paine's Secretary (uncredited) |
 Ben Taggart | Cast | Actor | Pompous Man (uncredited) |
 Bert Moorhouse | Cast | Actor | Man in Senate Building (uncredited) |
Bess Wade | Cast | Committeewoman (uncredited) | |
 Beulah Bondi | Cast | Actress | Ma Smith |
Billy Lechner | Cast | Boy Ranger (uncredited) | |
Billy Watson | Cast | Actor | Peter Hopper |
 Billy Wayne | Cast | Actor | Reporter (uncredited) |
 Blanche Payson | Cast | Actress | Committeewoman (uncredited) |
 Bobby Larson | Cast | Actor | Boy Ranger (uncredited) |
 Brooks Benedict | Cast | Actor | Senate Clerk (uncredited) |
 Burr Caruth | Cast | Actor | Townsend (uncredited) |
 Byron Foulger | Cast | Actor | Hopper's Secretary (uncredited) |
 Carl Stockdale | Cast | Actor | Senator Burdette (uncredited) |
 Charles Lane | Cast | Actor | Nosey |
 Charles R. Moore | Cast | Actor | Porter (uncredited) |
Charles Regan | Cast | Actor | Hoodlum (uncredited) |
 Charles Sullivan | Cast | Actor | Cab Driver (uncredited) |
 Chester Conklin | Cast | Actor | Reporter (uncredited) |
 Claude Rains | Cast | Actor | Joseph Paine |
Clyde Dilson | Cast | Reporter (uncredited) | |
Count Stefenelli | Cast | Foreign Diplomat (uncredited) | |
 Craig Stevens | Cast | Actor | Senate Reporter (uncredited) |
 Dave Willock | Cast | Actor | Senate Guard (uncredited) |
David Wade | Cast | (uncredited) | |
 Davison Clark | Cast | Actor | Committeeman (uncredited) |
 Delmar Watson | Cast | Actor | Jimmie Hopper |
 Dick Elliott | Cast | Actor | Carl Cook |
 Dickie Jones | Cast | Actor | Richard Jones (uncredited) |
Donald Kerr | Cast | Actor | Reporter (uncredited) |
Dora Clement | Cast | Actress | Mrs. McGann (uncredited) |
 Dorothy Comingore | Cast | Actress | Woman at Station (uncredited) |
Douglas Evans | Cast | Actor | Francis Scott Key (uncredited) |
 Dub Taylor | Cast | Actor | Reporter (uncredited) |
Dulcie Day | Cast | Senate Reporter (uncredited) | |
Ed Brewer | Cast | Senate Reporter (uncredited) | |
Ed Randolph | Cast | Senate Reporter (uncredited) | |
Eddie Coke | Cast | Photographer (uncredited) | |
 Eddie Fetherston | Cast | Actor | Senate Reporter (uncredited) |
 Eddie Kane | Cast | Actor | Reporter (uncredited) |
 Eddy Chandler | Cast | Actor | Reporter (uncredited) |
 Edmund Cobb | Cast | Actor | Senator Gower (uncredited) |
 Edward Arnold | Cast | Actor | Jim Taylor |
 Edward Biby | Cast | Actor | Foreign Diplomat (uncredited) |
 Edward Earle | Cast | Actor | Reporter (uncredited) |
Edward Thomas | Cast | Butler (uncredited) | |
 Edwin August | Cast | Actor | Senator (uncredited) |
Eleanor Wood | Cast | Committeewoman (uncredited) | |
Emma Tansey | Cast | Committeewoman (uncredited) | |
 Eric Mayne | Cast | Actor | Man in Senate Building (uncredited) |
 Erville Alderson | Cast | Actor | Handwriting Expert (uncredited) |
 Eugene Pallette | Cast | Actor | Chick McGann |
 Evalyn Knapp | Cast | Actress | Reporter (uncredited) |
 Ferris Taylor | Cast | Actor | Senator Carlisle (uncredited) |
Field Norton | Cast | Pompous Man (uncredited) | |
 Florence Wix | Cast | Actress | Committeewoman (uncredited) |
 Frances Gifford | Cast | Actress | Hopper Girl (uncredited) |
 Frank Austin | Cast | Actor | Inventor (uncredited) |
Frank Jaquet | Cast | Actor | Senator Byron (uncredited) |
 Frank M. Thomas | Cast | Actor | Hendricks (uncredited) |
 Frank McLure | Cast | Actor | Senator (uncredited) |
 Frank O'Connor | Cast | Actor | Senator Alfred (uncredited) |
Frank Otto | Cast | Actor | Fisk (uncredited) |
 Frank Puglia | Cast | Actor | Handwriting Expert (uncredited) |
 Fred 'Snowflake' Toones | Cast | Actor | Porter (uncredited) |
Fred Hoose | Cast | Senator (uncredited) | |
 Frederick Burton | Cast | Actor | Senator Dearhorn (uncredited) |
Garry Watson | Cast | Hopper Boy | |
 Gene Morgan | Cast | Actor | Reporter (uncredited) |
 George Chandler | Cast | Actor | Reporter (uncredited) |
 George Cooper | Cast | Actor | Waiter (uncredited) |
 George Lloyd | Cast | Actor | Hoodlum (uncredited) |
 George McKay | Cast | Actor | Reporter (uncredited) |
 Georgia Caine | Cast | Actress | Third Radio Speaker (uncredited) |
Georgie Cooper | Cast | Committeewoman (uncredited) | |
 Gino Corrado | Cast | Actor | Barber (uncredited) |
 Gladys Gale | Cast | Actress | Committeewoman (uncredited) |
 Grant Mitchell | Cast | Actor | Senator MacPherson |
Gus Glassmire | Cast | Angry Committee Member (uncredited) | |
 Guy Kibbee | Cast | Actor | Governor Hopper |
 H.B. Warner | Cast | Actor | Senate Majority Leader |
H.V. Kaltenborn | Cast | Radio Broadcaster | |
Hal Cooke | Cast | Reporter (uncredited) | |
 Hank Mann | Cast | Actor | Photographer (uncredited) |
 Harlan Briggs | Cast | Actor | Mr. Edwards (uncredited) |
Harry A. Bailey | Cast | Senator Hammett (uncredited) | |
Harry Burkhardt | Cast | Actor | Senate Reporter (uncredited) |
 Harry C. Bradley | Cast | Actor | Arthur Kim (uncredited) |
 Harry Carey | Cast | Actor | President of the Senate |
Harry Depp | Cast | Actor | Hat Salesman / Secretary (uncredited) |
 Harry Hayden | Cast | Actor | First Radio Announcer (uncredited) |
Harry Stafford | Cast | Senator Atwater (uncredited) | |
 Harry Strang | Cast | Actor | Bodyguard (uncredited) |
 Harry Tenbrook | Cast | Actor | Bodyguard (uncredited) |
Harry Watson | Cast | Actor | Hopper Boy |
 Helen Jerome Eddy | Cast | Actress | Paine's Secretary (uncredited) |
 Henry Hebert | Cast | Actor | Senator (uncredited) |
 Henry Roquemore | Cast | Actor | Senator (uncredited) |
 Jack Carson | Cast | Actor | Sweeney Farrell (uncredited) |
 Jack Cooper | Cast | Actor | Photographer (uncredited) |
 Jack Egan | Cast | Actor | Reporter (uncredited) |
Jack Gardner | Cast | Actor | Reporter (uncredited) |
 Jack Lindquist | Cast | Chorus Member (uncredited) | |
Jack Low | Cast | Actor | Hoodlum (uncredited) |
 Jack Rice | Cast | Actor | Lang (uncredited) |
 Jack Richardson | Cast | Actor | Senator Manchester (uncredited) |
James McNamara | Cast | Actor | Reporter (uncredited) |
 James Millican | Cast | Actor | Senate Reporter (uncredited) |
 James Stewart | Cast | Actor | Jefferson Smith |
Jane Loofbourrow | Cast | Committeewoman (uncredited) | |
 Jean Arthur | Cast | Actress | Clarissa Saunders |
Jesse Graves | Cast | Actor | Black Committeeman (uncredited) |
Jimmie Lucas | Cast | Photographer (uncredited) | |
 Joe Devlin | Cast | Actor | Waiter (uncredited) |
 Joe King | Cast | Actor | Summers (uncredited) |
Joe Palma | Cast | Actor | Hoodlum (uncredited) |
 John Dilson | Cast | Actor | Secretary (uncredited) |
 John Ince | Cast | Actor | Senator Fernwick (uncredited) |
John Lester Johnson | Cast | Actor | Butler (uncredited) |
 John Russell | Cast | Actor | Hopper Boy |
 John Tyrrell | Cast | Actor | (uncredited) |
John Ward | Cast | Actor | Photographer (uncredited) |
 Johnny Russell | Cast | Otis Hopper (uncredited) | |
 June Gittelson | Cast | Actress | Woman at Station (uncredited) |
Kathryn Bates | Cast | Committeewoman (uncredited) | |
Ken Carpenter | Cast | Actor | Announcer (uncredited) |
 Lafe McKee | Cast | Actor | Veteran at Lincoln Memorial (uncredited) |
 Landers Stevens | Cast | Actor | Committeeman (uncredited) |
 Larry Simms | Cast | Actor | Hopper Boy |
 Larry Steers | Cast | Actor | Committeeman (uncredited) |
Laura Treadwell | Cast | Mrs. Taylor (uncredited) | |
 Layne Tom Jr. | Cast | Actor | Boy Ranger (uncredited) |
 Lester Dorr | Cast | Actor | Taylor's Stooge (uncredited) |
Lew Davis | Cast | Actor | Senate Clerk (uncredited) |
 Lloyd Ingraham | Cast | Actor | Committeeman (uncredited) |
 Lloyd Whitlock | Cast | Actor | Schultz (uncredited) |
 Lorna Gray | Cast | Actress | Woman at Station (uncredited) |
 Louis Jean Heydt | Cast | Actor | Soapbox Speaker (uncredited) |
 Lynton Brent | Cast | Actor | Photographer (uncredited) |
 Mabel Forrest | Cast | Actress | Senate Reporter (uncredited) |
 Margaret Mann | Cast | Actress | Nun (uncredited) |
 Mary Gordon | Cast | Actress | Woman (uncredited) |
 Mary MacLaren | Cast | Actress | Head Sister (uncredited) |
 Matt McHugh | Cast | Actor | Reporter (uncredited) |
 Maurice Cass | Cast | Actor | Handwriting Expert (uncredited) |
 Maurice Costello | Cast | Actor | Diggs (uncredited) |
Max Waizmann | Cast | Actor | Photographer (uncredited) |
 Milton Kibbee | Cast | Actor | Senate Reporter (uncredited) |
 Mitchell Ingraham | Cast | Actor | (uncredited) |
Myonne Walsh | Cast | Jane Hopper (uncredited) | |
Neal Dodd | Cast | Actor | Senate Chaplain (uncredited) |
Nick Copeland | Cast | Senate Reporter (uncredited) | |
 Olaf Hytten | Cast | Actor | Butler (uncredited) |
P.H. Levy | Cast | Rabbi (uncredited) | |
 Paul Kruger | Cast | Actor | Bodyguard (uncredited) |
 Paul Stanton | Cast | Actor | Flood a Newsman (uncredited) |
 Philip Hurlic | Cast | Actor | Boy Ranger (uncredited) |
 Philo McCullough | Cast | Actor | Senator Albert (uncredited) |
 Pierre Watkin | Cast | Actor | Senator Barnes |
 Porter Hall | Cast | Actor | Senator Monroe |
Ralph McCullough | Cast | Actor | Assistant Bartender (uncredited) |
Ray Nichols | Cast | Boy Ranger (uncredited) | |
Richard Kipling | Cast | Senator (uncredited) | |
 Robert Dudley | Cast | Actor | Reporter (uncredited) |
 Robert Emmett Keane | Cast | Actor | Editor (uncredited) |
 Robert Middlemass | Cast | Actor | Radio Announcer #2 (uncredited) |
 Robert Sterling | Cast | Actor | Senate Reporter (uncredited) |
 Bob Walker | Cast | Actor | Senator Holland (uncredited) |
Roger Haliday | Cast | Senate Guard (uncredited) | |
 Russell Simpson | Cast | Actor | Kenneth Allen (uncredited) |
 Ruth Donnelly | Cast | Actress | Emma Hopper |
 Sam Ash | Cast | Actor | Senator Lancaster (uncredited) |
 Sammy McKim | Cast | Actor | Boy Ranger (uncredited) |
Shirley Coates | Cast | Assistant Bartender (uncredited) | |
 Stanley Andrews | Cast | Actor | Senator Hodges (uncredited) |
Stanley Mack | Cast | Senator (uncredited) | |
 Thomas Mitchell | Cast | Actor | Diz Moore |
Tom Quinn | Cast | Actor | Senate Reporter (uncredited) |
Tommy Baker | Cast | Boy Ranger (uncredited) | |
 Tommy Bupp | Cast | Actor | Cheering Boy (uncredited) |
 Vera Lewis | Cast | Actress | Mrs. Edwards (uncredited) |
 Vernon Dent | Cast | Actor | Senate Reporter (uncredited) |
 Victor Travis | Cast | Actor | Senator Grainger (uncredited) |
 Wade Boteler | Cast | Actor | Family Man (uncredited) |
Wally Dean | Cast | Paine's Friend (uncredited) | |
 Walter Sande | Cast | Actor | Newspaperman with Pipe (uncredited) |
 Walter Soderling | Cast | Actor | Senator Pickett (uncredited) |
Wilfred Hari | Cast | House Boy (uncredited) | |
 Wilfred Lucas | Cast | Actor | Pompous Man (uncredited) |
William Arnold | Cast | Actor | Reporter (uncredited) |
 William Demarest | Cast | Actor | Bill Griffith |
 William Newell | Cast | Actor | Reporter (uncredited) |
 William Worthington | Cast | Actor | Committeeman (uncredited) |
 Wilson Benge | Cast | Actor | Hopper's Butler (uncredited) |
Wright Kramer | Cast | Senator Carlton (uncredited) | |
 Wyndham Standing | Cast | Actor | Senator Ashman (uncredited) |
Dick Jensen | Cast | Actor | Hoodlum (uncredited) |
Jackie Lowe | Cast | Boy Ranger (uncredited) | |
Richard Clucas | Cast | (uncredited) | |
Spencer Quinn | Cast | (uncredited) | |
Robert Morgan | Cast | Actor | Senate Clerk (uncredited) |
 Frederick Vroom | Cast | Actor | Paine's Friend (uncredited) |
 Howard M. Mitchell | Cast | Actor | Shoe Salesman (uncredited) |
Colin James Mackey | Cast | Narrator (uncredited) | |
| Person | Type | Job | Role(s) |
