Chevy Chase as Irwin 'Fletch' Fletcher

Hal Holbrook as Hamilton "Ham" Johnson

Julianne Phillips as Becky Culpepper

R. Lee Ermey as Jimmy Lee Farnsworth

Richard Libertini as Frank Walker

Randall "Tex" Cobb as Ben Dover

Cleavon Little as Calculus Entropy

George Wyner as Marvin Gillet

Patricia Kalember as Amanda Ray Ross

Geoffrey Lewis as KKK Leader

Richard Belzer as Phil

Phil Hartman as Bly Manager

Titos Vandis as Uncle Kakakis

Don Hood as Tom Barbour

Dennis Burkley as Joe Jack

Noelle Beck as Betty Dilworth

Don Brockett as Sheriff

Constance Shulman as Cindy Mae

William Traylor as Mr. Underhill

Barney D. Arceneaux as Party Guest

Roy Babich as Klansman

Mary Battilana as Bly Assistant

Walter Charles as Tony

Robert Dawson as Tour Guide

Darren Dublin as Ancient Copy Boy

R. Bruce Elliott as Info Technician

Patrick Farrelly as O'Reilly

Grace Gaynor as Mrs. Underhill

Richmond Harrison as T'boo Ted

Catherine Hearne as Lyda Perl

Charlie Holliday as Security Guard

Christian Kauffmann as Bruce

Matthew Kimbrough as Bly Guard

Johnny Kline as Usher

Clarence M. Landry as Damon Feather

Marcella Lowery as Selma

Jordan Lund as Deputy Sheriff

Tom McCleister as Klansman #2

Patricia G. McConnell as Deputy's Wife

Dick McGarvin as Announcer

Keith Mills as Church Elder

Michael P. Moran as Morgue Attendant

Louis M. Rapaport as Walter Bob Buggem

Robert Silver as Kakakis Brother

Ebbe Roe Smith as Jim Bob

R. David Smith as Gordon Joe

John Wylie as Accountant

Herbert Benkman as Man (uncredited)

Dustin Dugas Schuetter as Congregation member (uncredited)