Rob Reiner Marty DiBergi Director, Actor, Screenwriter, Producer Christopher Guest Nigel Tufnel Actor, Screenwriter, Producer Michael McKean David St. Hubbins Actor, Screenwriter, Producer Harry Shearer Derek Smalls Actor, Screenwriter, Producer Fran Drescher Bobbi Flekman Actor Paul Shaffer Artie Fufkin Actor Elton John Self Paul McCartney Self Ahmir "Questlove" Thompson Self Chris Addison Simon Howler Actor Jeffery C. J. Vanston Caucasian Jeff Actor Jean Cromie Schmit Oxygen Actor Kerry Godliman Hope Faith Actor Nina Conti Moira Actor Griffin Matthews Peter La Pierre Actor Garth Brooks Self Trisha Yearwood Self Don Lake Tour Guide Actor John Michael Higgins Bob Kitness Actor Valerie Franco Didi Crockett Actor June Chadwick Jeanine Actor Kathreen Khavari Yasmine Farangi Actor Michele Singer Producer Matthew George Producer Derrick J. Rossi Executive Producer Hernan Narea Executive Producer Jonathan Fuhrman Executive Producer Christopher H. Warner Executive Producer Frank Marshall Executive Producer Chad Oakes Executive Producer Michael Frislev Executive Producer Scott Koyich Executive Producer Lincoln Else Cinematographer Bob Joyce Film Editing Michelle C. Harmon Production Design Mark A. Terry Art Director Kimberly Murphy Set Decoration Lauren Bott Costume Design David Rubin Casting Matt Lander Casting