John Ireland
Jack Burden

Broderick Crawford
Willie Stark

Joanne Dru
Anne Stanton

John Derek
Tom Stark

Mercedes McCambridge
Sadie Burke

Shepperd Strudwick
Adam Stanton

Ralph Dumke
Tiny Duffy

Anne Seymour
Mrs. Lucy Stark

Katherine Warren
Mrs. Burden

Raymond Greenleaf
Judge Monte Stanton

Walter Burke
Sugar Boy

Will Wright
Dolph Pillsbury

Grandon Rhodes
Floyd McEvoy

Chet Brandenburg
Man Listening to Speech (uncredited)

Wheaton Chambers
Senator (uncredited)

Stephen Chase
Puckett (uncredited)

Earle S. Dewey
Joe Harrison (uncredited)

King Donovan
Reporter (uncredited)

Paul Ford
Spokesman for Impeachment (uncredited)

Frank Hagney
Stark Strong-Arm Man (uncredited)

Richard Hale
Richard Hale (uncredited)

Bert Hanlon
Editor (uncredited)

Judd Holdren
Politician (uncredited)

Robert Karnes
Legislator (uncredited)

Kenner G. Kemp
Legislator (uncredited)

Donald Kerr
Spectator (uncredited)

Nolan Leary
Senator (uncredited)

Wilbur Mack
Former Governor Stanton (uncredited)

Louis Mason
Minister (uncredited)

Paul Maxey
Local Chairman (uncredited)

Frank McLure
Doctor (uncredited)

Harold Miller
Speaker of the House (uncredited)

John 'Skins' Miller
Drunk at Football Game (uncredited)

Pat O'Malley
Politician (uncredited)

Jeffrey Sayre
Party Guest (uncredited)

Charles Sherlock
Politician at Harrison's Headquarters (uncredited)

Ray Spiker
Farmer Listing to Speech (uncredited)

Helene Stanley
Helene Hale (uncredited)

Larry Steers
Man at Impeachment Hearing (uncredited)

Houseley Stevenson
Madison, Editor (uncredited)

Charles Sullivan
Man Listening to Speech (uncredited)

William Tannen
Man in City Bar (uncredited)

Frank Wilcox
Public Relations Man (uncredited)

Harry Wilson
One of Duffy's Goons (uncredited)

Al Wyatt Sr.
State Trooper (uncredited)

Ted French
Dance Caller (uncredited)

Frank O'Connor
Party Guest (uncredited)

Al Thompson
Man in Cheap Bar (uncredited)