Amanda Peet, Tom Dreesen

Jeff Goldblum, George Miller

Drea de Matteo, Sarah Vowell, The Doves

Peter Jennings, John Witherspoon

John McEnroe, Piper Perabo, Queens of the Stone Age

Jennifer Esposito, Marianne Faithful

Bill Clinton, Nanci Griffith

Regis Philbin, Linda Thompson

Megan Mullally, Rich Hall

Bruce Willis, Eve

Jack Hanna, Tom Cavanagh, Civil War Reenactment

Reese Witherspoon, Juan Pablo Montoya, India.Arie

Rose McGowan, Phillipe Petit

Lauren Graham, Colin Quinn

Patricia Heaton, Murray Walker

David Schwimmer, Avril Lavigne

Anthony LaPaglia, Effie Nielson, Clinic

Edward Norton, John Mayer

David Arquette, Todd Lynn

Jennifer Love Hewitt, Tom Petty and The Heartbreakers

John McCain, David Sedaris

Charles Barkley, Franco Zeffirelli, Nitty Gritty Dirt Band

Michelle Pfeiffer, Bon Jovi

Johnny Knoxville, Ron White

Debra Messing, Pink

Thandie Newton, Faith Hill

Rudolph Giuliani, Naomi Watts

Samuel L. Jackson, Santana & Michelle Branch

P. Diddy, Eddie Brill

Bonnie Hunt, Christina Aquilera

Salma Hayek, Tori Amos

Warren Zevon

Jerry Seinfeld, Foo Fighters

Don Rickles, Jim Gaffigan

Stupid Human Tricks, Sean Hayes, Willie Nelson & Ryan Adams

Julianne Moore, Grant Paulsen, Blind Boys of Alabama

Kid Inventors, Tom Brokaw, The Wallflowers

Brittany Murphy, Al Lubel

Robin Williams, Emily Proctor

Kelly Ripa, Emmitt Smith, Missy Elliott

Barbara Walters, Joe Pantoliano

Maggie Gyllenhaal, Pearl Jam

Al Gore, Pearl Jam

Kevin James, matchbox 20

Shania Twain, Cristiano da Matta

Adam Sandler, Pussycat Dolls

Ice Cube, Cast of Hairspray

Harry Connick Jr., Larry Miller

Stupid Pet Tricks, Lisa Kudrow, Audioslave

George Clooney, Jack Hanna

Ray Romano, Jurassic 5

Amy Sedaris, The Strokes

Liza Minnelli, Jann Karam

Jennifer Lopez, Sum 41

Jason Alexander, Ryan Adams

Nia Vardalos, Barry Sonnenfeld

Allison Janney, Martin Scorsese

Natasha Richardson, Mike Birbiglia, David Gray

Catherine Zeta-Jones, Coldplay

Drew Barrymore, Rod Stewart

Denzel Washington, Daniel Bouloud

Tom Hanks, Phish

Liv Tyler, Jay Thomas, Darlene Love

Ashton Kutcher, Jason Kidd

Isabella Rossellini, Mort Sahl

Michael Caine, George Foreman

Richard Gere, Chris Elliott

Merv Griffin, Interpol

Renee Zellweger, Chuck Barris

Andy Richter, Rich Hall

Jimmy Kimmel, Simon Baker

Claire Danes, Bob Sarlatte

Sandra Bullock, Marv Albert

George Clooney, Soundtrack of Our Lives

Joan Rivers, Kathleen Edwards

Simon Cowell, Topher Grace, Vienna Teng

Regis Philbin, John C. Reilly

Tina Fey, Jonathan Ames, Johnny Marr & The Healers

Ellen DeGeneres, Zwan

Bonnie Hunt, John Witherspoon

Show #1944Kate Hudson, Jack Hanna

Kelsey Grammer, Michael Tong, B.B. King and Shemeika Copeland

Stupid Pet Tricks, Tom Brokaw, The Pretenders

Brendan Fraser, Kids in The Hall, Bonnie Raitt, Keb' Mo, Kim Wilson

Matthew Broderick, Tony Bennett & k.d. Lang

Amy Brennamen, Nate Erwin, Vince Gill

Queen Latifah, Colin Quinn, Lou Reed

Kid Scientists, Kurt Russell

Kate Winslet, Dennis Regan, Rufus Wainwright

Dr. Phil, Beck

Vince Vaughn, Sarah Vowel, Beck

Kevin Spacey, Reggie Miller

Champion Turkey Callers, Marg Helgenberger, The Flaming Lips

Jeff Daniels, Lynne Cox, Steven Wright

Steve Martin, Foo Fighters

Stupid Human Tricks, Sharon Osborne, Norah Jones

Bruce Willis, Dan Rather, Carmen Electra, Brian Kiley

John McEnroe, Tom Arnold, Eric Ripert, Todd Barry, Jason Mras

Regis Philbin, Charles Grodin, Susan Lucci, Greg Giraldo, Kathleen Edwards

Whoopi Goldberg, Jessica Lange, Dave Chappelle, Andy Vistola, Ben Harper

Vince Vaughn, Rosie Perez, Geri Halliwell, Dwayne Kennedy, Paul Simon

Elvis Costello, Kim Cattrell, Eddie Izzard, Mitch Hedberg

Will Ferrell, Chris Rock, Crispin Glover, Jake Johannsen, American Hi-Fi

Megan Mullally, Molly Shannon, Isaac Mizrahi, Bonnie McFarlane

Brad Garrett, Cuba Gooding Jr., Julie Bowen, Reggie McFadden, Lyle Lovett

Tom Dreesen, Kiefer Sutherland, Frank Gershin, Suzanne Westenhoefer, The Music

Bonnie Hunt, Carson Daley, Eddie Griffin, Ron Beth-Israel, Fabolous

Paul Schaffer, Bob Dole, Connie Nielsen, Jeff Foxworthy, Cat Power

Bill Cosby, Andrew Firestone, Clark Tery, Sofia Vergara, The DA

Luke Wilson, Kelly Preston, Taye Diggs, Hilary Burton, Seether

Billy Crystal, Michael Barimo

Colin Farrell, Rosanne Cash

Helen Hunt, Jeremy Suarez, Cory Branan

High-Jumping Dogs, Vin Diesel, Bo Diddley

Hilary Swank, Jimmie Walker

Adam Sandler, The Folksmen

Lisa Marie Presley, Jamie Kennedy

Jane Krakowski, Jim Boeheim, Pete Yorn

Tom Brokaw, Tom Russell & Nanci Griffith

Michael Douglas, Todd Rundgren

Anthony LaPaglia, Brian Regan, The Exies

Ashton Kutcher, Jack Hanna

Ellen DeGeneres, John Malkovich

Charlize Theron, Sue Johanson, Minus 5 with Wilco

Bernie Mac, Amanda Peet

Halle Berry, Don Rickles

Kelly Rippa, Good Charlotte

Stupid Human Tricks, Hugh Jackson, Kelly Clarkson

David Hyde Pierce, Rube Goldberg Contest Winners, Ziggy Marley

Megan Mullally, Marilyn Manson

Albert Brooks, Jeffery Ross, The Libertines

Stupid Pet Tricks, Kevin James, Jenna Morasca

David Williams & Ronald Young, Jada Pinkett Smith, The Jayhawks

Sean Hayes, Eric Ripert, Avril Lavigne

Rene Zellweger, Jack Johnson

John Goodman, D.H. Hughley, NAS with Alicia Keys

Mark Wahlberg, Jesse James, the Sounds

Jim Carrey, Chevelle

Regis Philbin, 3 Doors Down

Antonio Banderas, Heidi Klum, Liam Lynch

Peter Krause, Jim Gaffigan, Widespread Panic

Adrien Brody, Gil de Ferran, John Mellencamp

Alec Baldwin, Tom Dreesen

Seth Green, Amy Sedaris, Lucinda Williams

Barbara Walters, Tanya Streeter

Tom Arnold, Darrell Hammond, Karolina Kurkova, Eddie Brill, Train

Juliette Binoche, Joe Queenan, Blur

Bruce Willis, Chris Moneymaker

Lauren Graham, Marv Albert, Bright Eyes

Harrison Ford, Annie Lennox

Tom Green, Jolene Blalock, Scott Stevens, Isaac Britty, Damien Rice

Hilary Clinton, Emmylou Harris

Rob Reiner, Paul Teutul Sr. & Jr., The New Pornographers

Johnny Depp, Christine Todd Whitman, B.B. King

Sarah Jessica Parker, The Dead

Kelsey Grammer, Treat Williams, James Earl Jones, Jamie Lynn-Sigler, Kathleen Madigan, Jesse Malin

Demi Moore, Verbana

Drew Barrymore, Simon Cowell

Lucy Liu, Avigayil Wardein, Nick Cave and The Bad Seeds

Piedmont Bird Callers, Luke Wilson, The Yeah Yeah Yeahs

Jimmy Fallon, Kristanna Loken, Dax, Chloe Sevigny, Bill Scheft, Rufus Wainwright

Lisa Marie Presley, Ryan Pinkston

Allison Janney, Nigella Lawson, Howard Tate

Barry Zito, Mandy Moore, Grandaddy

Ari Fleischer, Beyonce Knowles

Jeff Bridges, Alan Harvey, Joseph Arthur

Aron Ralston, Tobey Maguire

National Hollerin' Champions, Kristin Davis, Jane's Addiction

Joaquin Phoenix, Blues Traveler

Sylvester Stallone, Ben Curtis

Denis Leary, Queens of the Stone Age

Jesse Grabow, Jason Biggs, Robert C. Nichol

Eugene Levy, Eels

Seann William Scott, Jonathan Ames, Fountains of Wayne

Melanie Griffith, Pamela Reed

Naomi Watts, Jeff Stilson, O.A.R.

Kate Hudson, Cast of Camp

Colin Farrell, Robert Randolph & The Family Band

Samuel L. Jackson, Rick Reilly, Pharrell with Clipse

Brittany Murphy, Carey Hart, Dashboard Confessional

David Duchovny, Brett Butler, The New Amsterdams

Chris Rock, The Star Spangles

Bill Murray, Pete Sampras

David Spade, Bob Sarlatte, Maroon 5

Tony Hawk, John McEnroe, Rooney

Bonnie Hunt, Don Gavin