Name	Known for
David Letterman Self - Host Self - Host See fewer	Late Show with David Letterman (1993)
Jason Segel Self - Guest Self - Guest See fewer	Forgetting Sarah Marshall (2008)
Brian Kiley Self - Guest Comic Self - Guest Comic See fewer	The Ellen DeGeneres Show (2003)
U2 Themselves - Musical Guest Themselves - Musical Guest See fewer	Morning Joe (2007)
Paul Shaffer Self - Musical Director Self - Musical Director See fewer	This Is Spinal Tap (1984)
Bono Mail Answering Expert #1 (uncredited) Mail Answering Expert #1 (uncredited) See fewer	Across the Universe (2007)
Adam Clayton Mail Answering Expert #3 (uncredited) Mail Answering Expert #3 (uncredited) See fewer	Mandela: Long Walk to Freedom (2013)
The Edge Mail Answering Expert #2 (uncredited) Mail Answering Expert #2 (uncredited) See fewer	Gangs of New York (2002)
Alan Kalter Self - Announcer (voice) (uncredited) Self - Announcer (voice) (uncredited) See fewer	Commander USA's Groovie Movies (1985)
Larry Mullen Jr. Mail Answering Expert #4 (uncredited) Mail Answering Expert #4 (uncredited) See fewer	Mandela: Long Walk to Freedom (2013)