Cast (30)
James Stewart
Jefferson Smith
Jean Arthur
Clarissa Saunders
Claude Rains
Joseph Paine
Edward Arnold
Jim Taylor
Guy Kibbee
Governor Hopper
Thomas Mitchell
Diz Moore
Eugene Pallette
Chick McGann
Beulah Bondi
Ma Smith
H.B. Warner
Senate Majority Leader
Harry Carey
President of the Senate
Astrid Allwyn
Susan Paine
Ruth Donnelly
Emma Hopper
Grant Mitchell
Senator MacPherson
Porter Hall
Senator Monroe
Pierre Watkin
Senator Barnes
Charles Lane
Nosey
William Demarest
Bill Griffith
Dick Elliott
Carl Cook
Billy Watson
Peter Hopper
Delmar Watson
Jimmie Hopper
John Russell
Hopper Boy
Harry Watson
Hopper Boy
Garry Watson
Hopper Boy
Larry Simms
Hopper Boy
H.V. Kaltenborn
Radio Broadcaster
Russell Simpson
Kenneth Allen (uncredited)
Frances Gifford
Hopper Girl (uncredited)
Colin James Mackey
Narrator (uncredited)
Wilson Benge
Hopper's Butler (uncredited)
Dickie Jones
Richard Jones (uncredited)