Name	Known for
David Letterman Self - Host Self - Host See fewer	Late Show with David Letterman (1993)
Kate Walsh Self - Guest Self - Guest See fewer	The Perks of Being a Wallflower (2012)
Jason Sudeikis Self - Guest Self - Guest See fewer	Ted Lasso (2020)
OK Go Themselves - Musical Guest Themselves - Musical Guest See fewer	The Amazing Spider-Man 2 (2014)
Bonerama Themselves - Musical Guest (as OK Go and Bonerama) Themselves - Musical Guest (as OK Go and Bonerama) See fewer	Treme (2010)
Paul Shaffer Self - Musical Director Self - Musical Director See fewer	This Is Spinal Tap (1984)
Biff Henderson Self - Stage Manager Interviewing Audience Member Self - Stage Manager Interviewing Audience Member See fewer	Larry Crowne (2011)
Alan Kalter Self - Announcer (voice) (as Alan) Self - Announcer (voice) (as Alan) See fewer	Commander USA's Groovie Movies (1985)
Phil McGraw Self (as Dr. Phil) Self (as Dr. Phil) See fewer	Scary Movie 4 (2006)
Barbara Gaines Self - Executive Producer (uncredited) Self - Executive Producer (uncredited) See fewer	Late Show with David Letterman (1993)