| Cast list | | 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) | | Greg Baber | as | Tom Frady | | Walter Breaux | as | Warren | | Ed Bruce | as | Gov. J.Y. Sanders | | Joe Chrest | as | Carl Weiss | | 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 | | Danny Kamin | as | Cecil Christopher (as Daniel Tucker Kamin) | | Thomas Keller | as | James | | Jerry Leggio | as | Farley's aide | | John McConnell | as | 'Battlin' Bozman | | Charles McLawhorn | as | Elderly senator #1 | | Mike McNally | as | Man in bathroom | | Joanne Pankow | as | Waitress | | Jeff Perry | as | Earl Long | | Bill Raymond | as | Gov. O.K. Allen | | Rita Smith | as | Farmer's wife | | Sister Mary Madeleine Thibeaux | as | Nun | | Graham Timbes | as | Impeachment senator #2 | | Joe Warfield | as | Delesdernier | | Sam Wells | as | Sen. Byrd | | James Winder | as | Luther |
| | Crew list: | | Thomas Schlamme (Director) | | Paul Monash (Writer) |
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