Christopher Guest Corky St. Clair Director, Actor Eugene Levy Dr. Allan Pearl Actor, Writer Fred Willard Ron Albertson Actor Catherine O'Hara Sheila Albertson Actor Parker Posey Libby Mae Brown Actor Lewis Arquette Clifford Wooley Actor Matt Keeslar Johnny Savage Actor Paul Dooley UFO Abductee Actor Paul Benedict Not Guffman (Mr. Roy Loomis) Actor Bob Balaban Lloyd Miller Actor Larry Miller Glenn Welsch, Mayor Actor Brian Doyle-Murray Red Savage Actor Don Lake Actor Karen Murphy Producer Ginger Sledge Associate Producer Michael McKean Original Music Harry Shearer Original Music Roberto Schaefer Cinematographer Andy Blumenthal Film Editing Joseph T. Garrity Production Design John Frick Art Director Jennifer Patrick Set Decoration Julie Carnahan Costume Design Catherine Conrad Assistant Makeup Artist Kelly Nelson Hair Stylist Kate Shorter Makeup Artist Helen Pollak Unit Production Manager Phil Hardage Second Assistant Director Liz Ryan First Assistant Director Courtney Wulfe Second Assistant Director