Season 19

Guest Stars:

KT Tunstall, Brad Garrett, Julianne Moore

Guest Stars:

Daniel Powter, David Duchovny, Mary Hart

Guest Stars:

Alan Alda, Rachel Bilson

Guest Stars:

Tommy Lee, David Boreanaz

Guest Stars:

Chris Rock

Guest Stars:

Zach Braff, Toby Keith

Guest Stars:

Ashton Kutcher

Guest Stars:

Usher

Guest Stars:

Howie Mandel, Ben Affleck

Guest Stars:

Rusty Wallace, Martin Short, Jesse McCartney

Guest Stars:

Patrick Dempsey, Kenny Chesney, Caroline Rhea

Guest Stars:

Jason Lee, James Franco

Guest Stars:

Nelly Furtado, Marcia Cross, Tom Welling

Guest Stars:

Ted Danson, Ludacris, Chris Noth

Guest Stars:

Billy Bob Thornton

Guest Stars:

Marg Helgenberger, John Stamos, Vanessa Hudgens

Guest Stars:

Emily Procter, Monica, Lorenzo Borghese

Guest Stars:

Dominic Monaghan, Mark Wahlberg

Guest Stars:

Alex Trebek

Guest Stars:

Jo Frost, Jerome Bettis

Guest Stars:

Amber Tamblyn, Mario Vazquez

Guest Stars:

John Cena, James Blunt, Donald Trump

Guest Stars:

Robin Williams

Guest Stars:

Dana Delany

Guest Stars:

Teddy Geiger, Forest Whitaker, Christopher Walken

Guest Stars:

Jane Krakowski

Guest Stars:

Ryan Phillippe

Guest Stars:

Kirsten Dunst, Ice-T

Guest Stars:

Tina Fey, JoJo

Guest Stars:

Michael Caine, Tim McGraw

Guest Stars:

Peter Falk, Annette Bening

Guest Stars:

Paula Deen, Sharon Osbourne, Miley Cyrus

Guest Stars:

Sarah Jessica Parker

Guest Stars:

Nigella Lawson, Adrian Pasdar, Claudia Cohen

Guest Stars:

Denzel Washington, Adewale Akinnuoye-Agbaje

Guest Stars:

Gretchen Wilson, Chevy Chase

Guest Stars:

Sacha Baron Cohen, Sting

Guest Stars:

Russell Crowe

Guest Stars:

Will Ferrell, David James Elliott

Guest Stars:

Dustin Hoffman

Guest Stars:

Josh Groban, Howie Mandel, John Leguizamo

Guest Stars:

Julia Louis-Dreyfus, Christian Slater

Guest Stars:

Emilio Estevez, Terrell Owens

Guest Stars:

Taye Diggs

Guest Stars:

Daniel Craig, Julianne Moore

Guest Stars:

Val Kilmer, Noah Wyle

Guest Stars:

Rachel Weisz, Morgan Freeman

Guest Stars:

Chris Daugherty, Kristin Davis

Guest Stars:

Ricky Martin, Wilmer Valderrama

Guest Stars:

Lucy Liu, Lorenzo Borghese, Kyle Chandler

Guest Stars:

Jude Law, Lorenzo Borghese

Guest Stars:

Drake Bell

Guest Stars:

Derek Jeter, Dakota Fanning, Sarah McLachlan

Guest Stars:

Ciara, Nick Cannon, Cate Blanchett

Guest Stars:

Taylor Hicks, Shawn Wayans

Guest Stars:

Rob Lowe, CariDee English

Guest Stars:

Brian McKnight, Diane Sawyer, Anderson Cooper

Guest Stars:

Tyler Denk, Matthew Fox, Fantasia Barrino

Guest Stars:

Matthew McConaughey

Guest Stars:

Naomi Watts, Aimee Mann

Guest Stars:

Yul Kwon, Ben Stiller

Guest Stars:

Clive Owen, Jamie Foxx

Guest Stars:

Robert De Niro, Ashanti

Guest Stars:

Denzel Washington, Jewel

Guest Stars:

Teddy Geiger, Christopher Walken

Guest Stars:

Jason Lee, Jeremy Piven, Kate Winslet, Dale Earnhardt Jr.

Guest Stars:

Ludacris, Ben Affleck, Hilary Duff

Guest Stars:

Orlando Bloom, Martin Short, Jesse McCartney

Guest Stars:

Will Ferrell, Mark Wahlberg

Guest Stars:

Marg Helgenberger, Meryl Streep, John Stamos, Vanessa Hudgens

Guest Stars:

Bill O'Reilly, Donald Trump

Guest Stars:

Corbin Bleu, Alan Carr, Patricia Heaton

Guest Stars:

Joan Rivers, Melissa Rivers

Guest Stars:

America Ferrera

Guest Stars:

Kiefer Sutherland, Jill Hennessy

Guest Stars:

Paula Abdul

Guest Stars:

Diana Ross, Rupert Everett

Guest Stars:

Ali Larter

Guest Stars:

Carmen Electra

Guest Stars:

Jeremy Piven, Claudia Cohen

Guest Stars:

Jennifer Garner, Ryan Reynolds

Guest Stars:

Julianne Moore

Guest Stars:

Sheryl Crow

Guest Stars:

Brad Garrett

Guest Stars:

Dylan McDermott

Guest Stars:

Sienna Miller, Katharine McPhee

Guest Stars:

Jeff Probst, Charlize Theron

Guest Stars:

Tim Gunn

Guest Stars:

Alex Rodriguez, Phil McGraw

Guest Stars:

Ashley French

Guest Stars:

Carly Simon, Tyler Perry

Guest Stars:

Hayden Panettiere, Hugh Grant

Guest Stars:

Drew Barrymore

Guest Stars:

Nicolas Cage, Katherine Heigl

Guest Stars:

Martin Lawrence, Gabrielle Union

Guest Stars:

Marisa Tomei

Guest Stars:

Heather Graham

Guest Stars:

John Travolta

Guest Stars:

Jesse L. Martin, Geraldo Rivera, Billy Bob Thornton

Guest Stars:

Masi Oka, Tim Allen

Guest Stars:

Courteney Cox, David Boreanaz

Guest Stars:

Emily Procter, Ryan Seacrest

Guest Stars:

Ellen Pompeo, Jewel

Guest Stars:

Paula DeAnda, Robert Downey Jr.

Guest Stars:

Kelsey Grammer

Guest Stars:

John Walsh, Jerry O'Connell

Guest Stars:

Julia Louis-Dreyfus

Guest Stars:

Chris Rock

Guest Stars:

Andy Richter

Guest Stars:

Sandra Bullock, Jeff Goldblum

Guest Stars:

Christopher Meloni

Guest Stars:

Elliott Yamin, Kirk Douglas

Guest Stars:

Terrence Howard

Guest Stars:

Josh Gracin, Jada Pinkett Smith

Guest Stars:

Liv Tyler, Neil Patrick Harris

Guest Stars:

Dustin Hoffman

Guest Stars:

America Ferrera

Guest Stars:

Diana Ross

Guest Stars:

Shia LaBeouf, Martin Short

Guest Stars:

Pat Sajak, Halle Berry, Robin Roberts

Guest Stars:

David Duchovny, Tina Fey, Pat Sajak

Guest Stars:

Mary Lynn Rajskub, Edie Falco, Pat Sajak

Guest Stars:

Andrew Zimmern, Kevin Spacey, Pat Sajak

Guest Stars:

Jeff Probst, Sigourney Weaver

Guest Stars:

Simran Sethi, Jeff Probst, Avril Lavigne, Diane Sawyer

Guest Stars:

Adam Brody, Jeff Probst, Anthony Hopkins

Guest Stars:

Taylor Hicks, Donald Trump, Garry Shandling

Guest Stars:

Bryant Gumbel, Julianne Moore

Guest Stars:

Bryant Gumbel

Guest Stars:

Bryant Gumbel

Guest Stars:

Tobey Maguire, Carmen Electra

Guest Stars:

Kirsten Dunst

Guest Stars:

Kate Walsh

Guest Stars:

Tori Amos

Guest Stars:

Larry the Cable Guy, Freddie Prinze Jr.

Guest Stars:

Milo Ventimiglia, Eric Dane

Guest Stars:

Rebecca Romijn, Don Rickles

Guest Stars:

America Ferrera, Mike Myers

Guest Stars:

Tom Selleck, Nicollette Sheridan, Jimmy Kimmel

Guest Stars:

Gretchen Wilson, Evangeline Lilly, Sendhil Ramamurthy

Guest Stars:

John Stamos