Obsada:

• Jean Arthur Clarissa Saunders
• James Stewart Jefferson Smith
• Claude Rains Sen. Joseph Harrison Paine
• Edward Arnold Jim Taylor
• Guy Kibbee Gov. Hubert 'Happy' Hopper
• Thomas Mitchell Diz Moore
• Eugene Pallette Chick McGann
• Beulah Bondi Ma Smith
• H.B. Warner Sen. Agnew
• Harry Carey President of the Senate
• Astrid Allwyn Susan Paine
• Ruth Donnelly Emma Hopper
• Grant Mitchell Sen. MacPherson
• Porter Hall Sen. Monroe
• Pierre Watkin Sen. Barnes
• Charles Lane Nosey newsman
• William Demarest Bill Griffith
• Dick Elliott Carl Cook
• Billy Watson Peter Hopper
• Delmar Watson Jimmie Hopper
• Johnny Russell Otis Hopper
• Harry Watson Hopper boy
• Garry Watson Hopper boy
• Larry Simms Hopper boy
• H.V. Kaltenborn On sam
• Erville Alderson Handwriting expert
• Stanley Andrews Sen. Hodges
• William Arnold Reporter
• Sam Ash Sen. Lancaster
• Edwin August Senator
• Frank Austin Inventor at Smith's office door
• Harry A. Bailey Sen. Hammett
• Brooks Benedict Man in Senate Building
• Wade Boteler Family man
• Ed Brewer Senate reporter
• Al Bridge Sen. Dwight
• Harlan Briggs Mr. Edwards
• Tommy Bupp Boy cheering for Smith in meeting
• Frederick Burton Sen. Dearhorn
• Ken Carpenter Announcer
• Jack Carson Sweeney Farrell
• Burr Caruth Townsend
• Maurice Cass Handwriting expert
• Allan Cavan Ragner
• Eddy Chandler Reporter
• George Chandler Reporter
• Dora Clement Mrs. McGann
• Edmund Cobb Sen. Gower
• Dorothy Comingore Kobieta
• Hal Cooke Reporter
• George Cooper Kelner
• Jack Cooper Fotograf
• Nick Copeland Senate reporter
• Anne Cornwall Senate reporter
• Gino Corrado Barber
• Maurice Costello Diggs
• Alec Craig Speaker
• Beatrice Curtis Paine's secretary
• Dulcie Day Senate reporter
• Vernon Dent Senate reporter
• Clyde Dilson Reporter
• Neal Dodd Senate chaplain
• Ann Doran Paine's secretary
• Helen Jerome Eddy Paine's secretary
• Jack Egan Reporter
• Douglas Evans Francis Scott Key
• Eddie Fetherston Senate reporter
• Mabel Forrest Senate reporter
• Byron Foulger Hopper's secretary
• Jack Gardner Reporter
• Frances Gifford Hopper girl
• June Gittelson Kobieta
• Mary Gordon Kobieta
• Lorna Gray Kobieta
• Harry Hayden Speaker
• Louis Jean Heydt Soapbox speaker
• Olaf Hytten Hopper's butler
• John Ince Sen. Fernwick
• Lloyd Ingraham Committeeman
• Frank Jaquet Sen. Byron
• Dickie Jones Pageboy Richard Jones
• Eddie Kane Reporter
• Robert Emmett Keane Editor
• Donald Kerr Reporter
• Milton Kibbee Senate reporter
• Joe King Summers
• Evalyn Knapp Reporter
• Wright Kramer Sen. Carlton
• Vera Lewis Mrs. Edwards
• Arthur Loft Chief clerk
• Hank Mann Fotograf
• Margaret Mann Nun with cheering orphan boys
• Eric Mayne Man in Senate Building
• Philo McCullough Sen. Albert
• Matt McHugh Reporter
• George McKay Reporter
• Lafe McKee Civil War veteran at Lincoln Memorial
• James McNamara Reporter
• Robert Middlemass Speaker
• James Millican Senate reporter
• Charles R. Moore Porter
• Bert Moorhouse Man in Senate Building
• Gene Morgan Reporter
• William Newell Reporter
• Alex Novinsky Foreign diplomat
• Frank O'Connor Sen. Alfred
• Frank Puglia Handwriting expert
• Ed Randolph Senate reporter
• Jack Richardson Sen. Manchester
• Russell Simpson Kenneth Allen
• Walter Soderling Sen. Pickett
• Harry Stafford Sen. Atwater
• Wyndham Standing Sen. Ashman
• Paul Stanton Flood
• Count Stefenelli Foreign diplomat
• Robert Sterling Bit Role
• Craig Stevens Senate reporter
• Carl Stockdale Sen. Burdette
• Dub Taylor Reporter
• Ferris Taylor Sen. Carlisle
• Arthur Thalasso Doorman
• Fred 'Snowflake' Toones Porter
• Victor Travers Sen. Grainger
• Laura Treadwell Mrs. Taylor
• John Tyrrell
• Robert Walker Sen. Holland
• Myonne Walsh Jane Hopper
• Lloyd Whitlock Schultz
• Dave Willock Senate Guard
• Florence Wix Committeewoman