Michael J. Fox

Sandra Bernhard

Tracey Ullman

Gillian Anderson

David Alan Grier

William Baldwin

Michael Stipe

Carmen Electra

Matthew Lillard

David Cross

Yasmine Bleeth

D. L. Hughley

George Carlin

Dave Foley

Kellie Martin

Jerry O'Connell

Melissa Gilbert

Brendan Fraser

Pamela Anderson, Natalie Raitano, Molly Culver

Daniel Stern

Melina Kanakaredes

Ed McMahon

Mike Judge

John Tesh

Eric McCormack

Jeri Ryan

Ryan Phillippe

Ian McKellen

Jon Voight

Sammy Hagar

Hootie & the Blowfish, Billy Crystal

Peter Krause

Chris Isaak

John Larroquette

Joseph Gordon-Levitt

Jennifer Grey

Norm Macdonald

Sandra Bullock

Janine Turner

Ron Howard

Omar Epps

Diane Lane

Stephen Baldwin

Ernie Hudson

Josh Charles

Jackie Chan

Marlee Matlin

Sharon Lawrence

Rob Estes

Angelina Jolie

David Spade

Seth Green

Sheryl Lee Ralph

Chris Robinson

Joy Behar

Thomas Gibson

Paula Cale

Ted Danson

Esai Morales

Jane Seymour

Robert Schimmel

Camryn Manheim

Ray Romano

Patricia Richardson

Suzanne Somers

Natalie Portman

Jamie Foxx

Harry Connick Jr.

Caroline Rhea

Damon Wayans

Timothy Hutton

Mike Myers

Rob Lowe

Mike Myers

Heather Graham

Felicity Huffman

Jimmy Kimmel

Adam Sandler

Richard Belzer

Margaret Cho

Scott Wolf

Roseanne Barr

Rob Schneider

Adam Arkin

Miss Piggy

John Leguizamo

Robert Klein

Christa Miller

David Brenner

Third Anniversary Special

Joely Fisher

Donny Osmond

Wendie Malick

Vince Neil

Janeane Garofalo

Bebe Neuwirth

Garry Marshall

Denis Leary

Jeffrey Tambor

Dave Foley

Dom Irrera

Pierce Brosnan

Eduardo Sanchez & Daniel Myrick

Carson Daly

Molly Ringwald

Sarah Jessica Parker

French Stewart

Cheryl Ladd

LL Cool J

Dwight Yokam

Nia Long

Summer Spectacular

Elayne Boosler

Tom Green

Jason Priestly

David Cross

Andy Richter

Donny Osmond & Marie Osmond

Dave Chappelle

Steve Zahn

Norm Macdonald

Melissa Joan Hart

Richard Lewis

Bruce McCulloch and Mark McKinney

Greg Proops

Maury Povich

Brooke Shields

Molly Shannon

Rebecca Gayheart

Steven Wright

Amy Brenneman

Melissa Gilbert

Cathy Moriarty

Louie Anderson

Sarah Michelle Gellar

Melanie C.

Chris O'Donnell

Jennifer Love Hewitt

Dave Grohl

Roshumba Williams

Kellie Martin

Kathy Griffin

Christina Ricci

Tori Amos

Lennox Lewis

Bill Maher

Goo Goo Dolls

Stephen Rea

Laura San Giacomo

Michael Boatman

Paul Rudd

Senator Bob Dole, part 1

Senator Bob Dole, part 2

Rob Schneider

Joan Lunden

Shannen Doherty

George Carlin

David Boreanaz

Jewel