John Goodman

as Huey P. Long, Jr.

Matt Craven

as Seymour Weiss

Anne Heche

as Aileen Dumont

Ann Dowd

as Rose Long

Bob Gunton

as Franklin D. Roosevelt

Bill Cobbs

as Pullman Porter

Hoyt Axton

as Huey P. Long, Sr.

Kirk Baltz

as Frank Costello

Richard Bradford

as Judge Benjamin Pavy

Jimmie Ray Weeks

as Allen Henderson

Joe Alaskey

as Kingfish (voice)

Joe Chrest

as Carl Weiss

Danny Kamin

as Cecil Christopher

Jerry Leggio

as Farley's Aide

John McConnell

as 'Battlin' Bozman

Joanne Pankow

as Waitress

Jeff Perry

as Earl Long

Bill Raymond

as Gov. O.K. Allen

Joe Warfield

as Delesdernier

Greg Baber

as Tom Frady

Keith Bird

as Huey's Crony / Companion

Walter Breaux

as Warren

Ed Bruce

as Gov. J.Y. Sanders

Mary Coulson

as Marguerita Hass

Patrick Cullen

as Antoine Daspit

Bertrum Dykes

as Farmer

Victoria Edwards

as Chanteuse

Stocker Fontelieu

as Impeachment senator #1

Katie Planche Friedrichs

as Mary Lou

Chappy Hardy

as Frank Mendels

Jack Hazard

as Man at parade

Bill Jessup

as Impeachment senator #3

Thomas Keller

as James

Charles McLawhorn

as 'Battlin' Bozman

Mike McNally

as Man in bathroom

Jacky Lee Morgan

as Huey's Bodyguard

Rita Smith

as Farmer's wife

Mary Madeleine Thibeaux

as Nun

Graham Timbes

as Impeachment senator #2

Sam Wells

as Sen. Byrd

James Winder

as Luther

Cy Fahrenholtz

as Photographer (uncredited)

Adolf Hitler

as Self (archive footage) (uncredited)

Huey P. Long

as Self (funeral) (archive footage) (uncredited)

Benito Mussolini

as Self (funeral) (archive footage) (uncredited)

Sara Pepitone

as Senate secretary (uncredited)

Brent Spiner

as (uncredited)