Name	Known for
David Letterman Self - Host Self - Host See fewer	Late Show with David Letterman (1993)
Ben Stiller Self - Guest Self - Guest See fewer	Tropic Thunder (2008)
White Rabbits Themselves - Musical Guest Themselves - Musical Guest See fewer	Friends with Benefits (2011)
Paul Shaffer Self - Musical Director Self - Musical Director See fewer	This Is Spinal Tap (1984)
Louis J. Aronne Self - Weight Loss Coach (as Dr. Lou Aronne) Self - Weight Loss Coach (as Dr. Lou Aronne) See fewer	My Life in Food (2008)
George Clarke Self - Weight Loss Challenger Self - Weight Loss Challenger See fewer	The Rhapsody of a Jazz Queen
Ricardo Cordero Bob Zicks (uncredited) Bob Zicks (uncredited) See fewer	Metaverse: Live Gameplay (2022)
Tom Hanks Provider of Sound Effects (uncredited) Provider of Sound Effects (uncredited) See fewer	Cast Away (2000)
Alan Kalter Self - Announcer (uncredited) Self - Announcer (uncredited) See fewer	Commander USA's Groovie Movies (1985)
Will Lee Self - Creepy Screamer (uncredited) Self - Creepy Screamer (uncredited) See fewer	Beethoven's 2nd (1993)
Tony Mendez Self - Cue Card Boy (uncredited) Self - Cue Card Boy (uncredited) See fewer	Late Show with David Letterman (1993)
Tim Thomerson Bob 'BB' Boberson (uncredited) Bob 'BB' Boberson (uncredited) See fewer	Near Dark (1987)