Saunders
Jefferson Smith
Senator Joseph Paine
Jim Taylor
Governor Hopper
Diz Moore
Chick McGann
Ma Smith
Senate Majority Leader
President of the Senate
Susan Paine
Mrs. Hopper
Senator MacPherson
Senator Monroe
H.V. Kaltenborn
Nosey
Senate Minority Leader
Carl Cook
Bill Griffith
Hopper Boy
Hopper Boy (as Baby Dumpling)
Hopper Boy (as Gary Watson)
Handwriting Expert (uncredited)
Hoodlum (uncredited)
Senator Hodges (uncredited)
Reporter (uncredited)
Senator Lancaster (uncredited)
Senator (uncredited)
Inventor at Smith's Office Door (uncredited)
Senator Hammett (uncredited)
Boy Ranger (uncredited)
Committeewoman (uncredited)
Senate Clerk (uncredited)
Hopper's Butler (uncredited)
Foreign Diplomat (uncredited)
Family Man (uncredited)
Arthur Kim (uncredited)
Photographer (uncredited)
Senate Reporter (uncredited)
Senator Dwight (uncredited)
Mr. Edwards - Howling Citizen (uncredited)
Newspaper Employee (uncredited)
Boy Cheering for Smith in Meeting (uncredited)
Senator Dearhorn (uncredited)
Third Radio Speaker (uncredited)
Announcer (uncredited)
Sweeney Farrell - Newsman (uncredited)
Townsend (uncredited)
Ragner - Newsman (uncredited)
Committeeman (uncredited)
Mrs. McGann (uncredited)
Minor Role (uncredited)
Assistant Bartender (uncredited)
Senator Gower (uncredited)
Woman at Station (uncredited)
Man in Press Section of Senate Gallery (uncredited)
Waiter (uncredited)
Barber (uncredited)
Diggs - Newsman (uncredited)
Speaker (uncredited)
Paine's Secretary (uncredited)
Paine's Friend (uncredited)
Hat Salesman / Secretary (uncredited)
Secretary (uncredited)
Senate Chaplain (uncredited)
Taylor's Stooge (uncredited)
Francis Scott Key (uncredited)
Hopper's Secretary (uncredited)
Hopper Girl (uncredited)
Angry Committee Member (uncredited)
Woman (uncredited)
Black Committeeman (uncredited)
Senate Guard (uncredited)
Senator in Final Scene (uncredited)
House Boy (uncredited)
First Radio Announcer (uncredited)
Soapbox Speaker (uncredited)
Butler (uncredited)
Senator Fernwick (uncredited)
Senator Byron (uncredited)
Pageboy Richard Jones (uncredited)
Editor (uncredited)
Summers - Newsman (uncredited)
Reporter Asking 'What Do You Think of the Girls in This Town?' (uncredited)
Senator Carlton (uncredited)
Bodyguard (uncredited)
Rabbi (uncredited)
Mrs. Edwards (uncredited)
Chorus Member (uncredited)
Chief Clerk (uncredited)
Pompous Man (uncredited)
Head Sister (uncredited)
Nun with Cheering Orphan Boys (uncredited)
Man in Senate Building (uncredited)
Senator Albert (uncredited)
Civil War Veteran at Lincoln Memorial (uncredited)
Second Radio Announcer (uncredited)
Shoe Salesman (uncredited)
Porter (uncredited)
Senator Fuller (uncredited)
Senator Alfred (uncredited)
Fisk (uncredited)
Lang (uncredited)
Senator Manchester (uncredited)
Otis Hopper (uncredited)
Newspaperman with Pipe (uncredited)
Kenneth Allen (uncredited)
Senator Pickett (uncredited)
Senator Atwater (uncredited)
Senator Ashman (uncredited)
Flood - Newsman (uncredited)
Senator Burdette (uncredited)
Cab Driver (uncredited)
Senator Carlisle (uncredited)
Doorman (uncredited)
Hendricks (uncredited)
Senator Grainger (uncredited)
Mrs. Taylor (uncredited)
Undetermined Role (uncredited)
Senator Holland (uncredited)
Jane Hopper (uncredited)
Schultz - Newsman (uncredited)