Season 8

Guest Stars:

Katie Couric

Guest Stars:

Jessica Simpson

Guest Stars:

David Duchovny, Elton John

Guest Stars:

Julianne Moore

Guest Stars:

Ken Jennings

Guest Stars:

Bob Barker, Zach Braff

Guest Stars:

Bob Barker, Laura Bush, Adrien Brody

Guest Stars:

Jamie Lee Curtis, Ben Affleck

Guest Stars:

Marg Helgenberger, Bobby Flay

Guest Stars:

John Mayer

Guest Stars:

Donnie Wahlberg

Guest Stars:

Gary Hart, Terry Crews, Ray Liotta, Tichina Arnold

Guest Stars:

Kevin Costner

Guest Stars:

Matt Damon, Emily Procter

Guest Stars:

Kenny Chesney

Guest Stars:

Leonardo DiCaprio, Bobby Flay

Guest Stars:

Queen Latifah

Guest Stars:

Neil Patrick Harris

Guest Stars:

Dennis Haysbert, Donald Trump

Guest Stars:

Suzanne Somers

Guest Stars:

Forest Whitaker

Guest Stars:

Helen Mirren, Natalie Cole

Guest Stars:

Cherie Blair

Guest Stars:

Clint Eastwood, Bobby Flay

Guest Stars:

Ryan Phillippe

Guest Stars:

Elizabeth Perkins

Guest Stars:

Mike Lupica

Guest Stars:

Annette Bening

Guest Stars:

Olivia Newton-John

Guest Stars:

Tim Allen, Bobby Flay, Casey Kasem, Mike Lindell, Mary Kay Bergman

Guest Stars:

Kate Winslet

Guest Stars:

Julia Louis-Dreyfus

Guest Stars:

Ashley Judd

Guest Stars:

Skeet Ulrich

Guest Stars:

Ariel Levy

Guest Stars:

Cobie Smulders, Josh Radnor

Guest Stars:

Adam Rodriguez, Jonathan Togo, Stanley Tucci

Guest Stars:

Gary Sinise

Guest Stars:

Jerry Bruckheimer

Guest Stars:

Hugh Jackman

Guest Stars:

Denzel Washington, Sharon Stone

Guest Stars:

Rachel Weisz

Guest Stars:

Jimmy Carter

Guest Stars:

Chris Daughtry

Guest Stars:

Mary Higgins Clark, Carol Higgins Clark, Bobby Flay

Guest Stars:

Jude Law

Guest Stars:

Rachael Ray, Sarah McLachlan

Guest Stars:

Maya Angelou

Guest Stars:

Taylor Hicks

Guest Stars:

Bobby Flay

Guest Stars:

Julianne Moore

Guest Stars:

Matthew Fox

Guest Stars:

Jada Pinkett Smith, Will Smith, Tony Bennett

Guest Stars:

Sylvester Stallone, Matt Damon

Guest Stars:

Ben Stiller

Guest Stars:

Clive Owen, Beyoncé

Guest Stars:

Sarah McLachlan, James Taylor

Guest Stars:

Steven Spielberg

Guest Stars:

Naomi Watts, Cate Blanchett

Guest Stars:

Bobby Flay

Guest Stars:

Ewan McGregor

Guest Stars:

Martin Short

Guest Stars:

Jason Ritter

Guest Stars:

Emily Watson

Guest Stars:

Naomi Judd, Peter Walsh

Guest Stars:

Jennifer Hudson, Hilary Swank

Guest Stars:

David Bach

Guest Stars:

Justin Timberlake

Guest Stars:

Peter O'Toole

Guest Stars:

Julie Andrews

Guest Stars:

Lisa Roberts Gillan

Guest Stars:

Matt Hasselbeck

Guest Stars:

Tony Dungy

Guest Stars:

John Legend, Jim Nantz, Joe Namath, Phil Simms, Joe Montana

Guest Stars:

Adam Rodriguez, David Caruso

Guest Stars:

Katharine McPhee

Guest Stars:

Greg Behrendt, Liz Tuccillo

Guest Stars:

Tommie Smith

Guest Stars:

Hugh Grant

Guest Stars:

Eva Mendes

Guest Stars:

Gabrielle Union

Guest Stars:

Christopher Kimball

Guest Stars:

John Travolta, Lis Wiehl

Guest Stars:

Jake Gyllenhaal

Guest Stars:

Julia Louis-Dreyfus

Guest Stars:

LL Cool J

Guest Stars:

Skeet Ulrich

Guest Stars:

Mark Wahlberg

Guest Stars:

Kenny Loggins

Guest Stars:

Tim McGraw

Guest Stars:

Shia LaBeouf, John Lithgow

Guest Stars:

Will Ferrell

Guest Stars:

Mary Higgins Clark

Guest Stars:

Camryn Manheim

Guest Stars:

Beyoncé

Guest Stars:

Richard Gere

Guest Stars:

Christopher Kimball, Shia LaBeouf

Guest Stars:

Sharon Case

Guest Stars:

Rose McGowan

Guest Stars:

Halle Berry

Guest Stars:

Anthony LaPaglia

Guest Stars:

George Tenet

Guest Stars:

Kirsten Dunst, Drew Barrymore

Guest Stars:

Tobey Maguire

Guest Stars:

Bryce Dallas Howard

Guest Stars:

Criss Angel

Guest Stars:

Orlando Bloom

Guest Stars:

Tom Selleck

Guest Stars:

Johnny Depp

Guest Stars:

Seth Rogen

Guest Stars:

Kevin Costner

Guest Stars:

Katherine Heigl

Guest Stars:

Elisabeth Shue

Guest Stars:

Elisabeth Shue

Guest Stars:

Marg Helgenberger

Guest Stars:

Vanessa Redgrave

Guest Stars:

Jessica Alba

Guest Stars:

Jeffery Deaver

Guest Stars:

Tina Brown

Guest Stars:

Emma Roberts

Guest Stars:

Sara James

Guest Stars:

Kyra Sedgwick

Guest Stars:

Wanda Sykes, Angelina Jolie

Guest Stars:

Téa Leoni

Guest Stars:

Mandy Moore

Guest Stars:

Bruce Willis

Guest Stars:

Mamie Gummer, Claire Danes, Bobby Flay

Guest Stars:

Shia LaBeouf

Guest Stars:

Robin Williams

Guest Stars:

Katharine McPhee

Guest Stars:

Kelly Clarkson

Guest Stars:

Kristin Gore

Guest Stars:

Danny Lipford

Guest Stars:

Bobby Flay

Guest Stars:

Ricky Skaggs, Daniel Radcliffe

Guest Stars:

Emma Watson

Guest Stars:

Rupert Grint

Guest Stars:

Ingrid Hoffmann

Guest Stars:

John Travolta

Guest Stars:

John Travolta

Guest Stars:

Bobby Flay

Guest Stars:

Julia Stiles, Patti Smith

Guest Stars:

Lou Dobbs

Guest Stars:

Matt Damon

Guest Stars:

Julia Stiles, Kelly Rowland

Guest Stars:

Anne Hathaway

Guest Stars:

Drew Carey

Guest Stars:

Chris O'Donnell

Guest Stars:

Michelle Pfeiffer

Guest Stars:

Leonardo DiCaprio

Guest Stars:

Chris Rose, Kevin Bacon

Guest Stars:

Kevin Nealon

Guest Stars:

Daniel Radcliffe

Guest Stars:

Martina McBride, Bobby Flay