The Tonight Show with Jay Leno Season 14, Episode 123: Ryan Seacrest, Jenna Fischer, Rascal Flatts

Show #2945

Will Ferrell; George Lopez; musical guest Keith Urban.

Show #2946

Adam Brody; Chris Matthews (""Hardball with Chris Matthews""); musical group The Bravery.

Show #2947

Tom Cruise; chef Chandler Goff; singer Toby Keith.

Show #2948

Heather Locklear; John Leguizamo; Foo Fighters.

Show #2949

Paul Giamatti; bug man Ruud Kleinpaste; the Pussycat Dolls.

Show # 2950

Hilary Duff; comic Jim Norton; musical group Kaiser Chiefs.

Show # 2951

Animal expert Jarod Miller; Cedric the Entertainer (""The Honeymooners""); singer Dwight Yoakam.

Show # 2952

Kathy & Paris Hilton; Duane ""Dog"" Chapman (""The Bounty Hunter""); musical guests John Scofield and John Mayer.

Show #2953

Lindsay Lohan (""Herbie: Fully Loaded""); actor Jeremy Piven; musical group The Backstreet Boys.

Show #2954

Attorney Tom Mesereau; Paul Teutel, Sr., Paul Teutel, Jr. & Mikey Teutel (""American Chopper""); singer Courtney Jaye.

Show #2955

Martin Lawrence; Keith Olbermann (""Countdown with Keith Olbermann""); musical group Sugar Ray.

Show #2956

Sinbad; actress Amber Tamblyn; performers from the documentary ""Rise.""

Show #2957

Dr. Phil McGraw; Ebert & Roeper; singer Kathleen Edwards.

Show #2958

Don Rickles; chef Bobby Flay; singer Tracy Bonham.

Show #2959

Arnold Schwarzenegger; Larry the Cable Guy; musical group Black Eyed Peas.

Show #2960

Michael Clarke Duncan; actress Ariel Gade; Ringo Starr.

Show #2961

Roseanne Barr; singer Bo Bice.

Show #2962

Jessica Alba; Earvin ""Magic"" Johnson; Cirque du Soleil's ""Zumanity.""

Show #2963

Owen Wilson; singer Kem.

Show #2964

Tom Arnold; DJ Qualls; Relient K.

Show #2965

Dakota Fanning; actor Terrence Howard; musical group Rascal Flatts.

Show #2966

Johnny Depp; Eva Mendes; musical group Shout Out Louds.

Dakota Fanning, Charles Barkley, Musashimaru, Christina Aguilera, Herbie Hancock

Debra Messing, Ed McMahon, Weezer

Antonio Banderas, Greg Behrendt, Michael McElroy, Ashlee Simpson

Halloween Episode: Rosario Dawson, Ozzy Osbourne

Jimmy Smits, Lisa Marie Presley

Dr. Phil McGraw, Dennis Rodman, Dwight Yoakam

Nicollette Sheridan, Marc Yu, Fiona Apple

Jennifer Love Hewitt, John Fogerty

Dana Carvey, Steve Irwin, Jamiroquai

Martha Stewart, Terrence Howard, Big and Rich

Nicole Richie, Jon Favreau

Garth Brooks, Patricia Arquette

Eva Longoria, Collin Kelly, Kenny Chesney

Jason Lee, Usher, Neil Diamond, Brian Wilson

Melissa Etheridge

Hugh Laurie, Joan Embery, George Clinton

Jerry Seinfeld, Shelley Berman, Carrie Underwood

Teri Hatcher, Cedric the Entertainer, Sheryl Crow

Jimmy Carter, Wentworth Miller, Eurythmics

Tom Arnold, Phil Jackson, Audioslave

Melanie Griffith, Scott Stapp

Lindsay Lohan, Dane Cook

Sinbad, Jo Frost

Naomi Watts, Dwight Hauff, Queens of the Stone Age

Diane Keaton, Marguerite Perrin, Alanis Morissette

Snoop Dogg, Howard Dean, Faith Evans

Jarod Miller, Snoop Dogg, All American Rejects

Tyra Banks, Steve Schirripa, Smash Mouth

Sarah Jessica Parker, Isaac Mizrahi, Bo Bice

Ron Howard, Rachael Ray, Brian Wilson

Tommy Lee Jones, Sarah Silverman, Diana Krall

George Clooney, Steve Schirripa, Trey Anastasio

Scarlett Johansson, Larry the Cable Guy, Fall Out Boy

Scarlett Johansson

Anthony Hopkins, Howie Mandel, Coldplay

Steve Martin, Tyler James Williams, Chris Brown

Ralph Fiennes, Carmen Electra, Michael McDonald

Johnny Knoxville, Natasha Leggero, Chris Isaak

Zach Braff, Allen Covert, Aaron Neville

Pamela Anderson, Brian Setzer Orchestra

Wanda Sykes, Carson Daly, Big Bad Voodoo Daddy

Julie Scardina with Amazing Animals, Greg Kinnear, MercyMe

Terry Bradshaw, Dame Edna, Blind Boys of Alabama

Sienna Miller, Gary Gulman

Philip Seymour Hoffman, Noelle Pikus-Pace, John Mayer Trio

Terrence Howard, Carrot Top, Jace Everett

Will Ferrell, Flipsyde

Rachel Weisz, ANT, Lil' Wayne

Matthew Broderick, Nathan Lane, Chad Hedrick, Billy Currington

Joaquin Phoenix, Jo Koy, Alanis Morissette

Steve Carell, Maria Lark, Anthony Hamilton

Emma Thompson, Jeff Daniels, Sugarland

Jake Gyllenhaal, Steve Irwin, Seether

Simon Cowell, Randy Jackson, Paula Abdul, Wendy Liebman, Barry Manilow

Heath Ledger, Heidi Klum, Ray J

Colin Firth, Sasha Cohen, Fort Minor

Albert Brooks, Jenna Elfman, Mary J. Blige

Dennis Miller, Bob Uecker, Heather Headley

Ladysmith Black Mambazo, Sarah McLachlan

Jamie Foxx, U.S. Freestyle Aerials Team

Kate Beckinsale, Kinky Friedman, Nickel Creek

Jake Gyllenhaal, Steve Irwin, Seether

Joaquin Phoenix, Joy Koy, Alanis Morisette

Dominic Monaghan, Emily Deschanel, P.O.D.

Harrison Ford, Bryce Dallas Howard, Juanes

Snoop Dogg, Ron White

Roseanne Barr, Sue Johanson, Sergio Mendes

Jarod Miller, Paul Bettany, Collective Soul

Terry Bradshaw, Candice Michelle, Yo Yo Ma with John Williams

Ellen DeGeneres, Geoffrey Gallante, Yellowcard

Felicity Huffman, Jerome Bettis, The Fray

Michelle Williams, John Krasinski, Rob Thomas

Paul Walker, Jillian Barberie, Fiona Apple

Jennifer Love Hewitt

Paul Reiser

Matt Dillon, Sports Illustrated Swimsuit Cover Model

Bill Maher, Shaun White

Samuel L. Jackson, Kathleen Madigan

Rob Schneider, Alonzo Bodden

Dolly Parton

Howie Mandel

Terence Howard, Hannah Teter

Al Michaels, Tyler Perry

Colin Powell, Dancing With The Stars Winner, Rosanne Cash

Sasha Cohen, Vusi Mahlasela, Julie Scardina

Jason Lee, Jamie Oliver, Dwight Yoakam

Salma Hayek, Apolo Anton Ohno, Rhett Miller

Vin Diesel, Tanith Belbin & Ben Agosto, Jamie Cullum

Ebert & Roeper, Matthew McConaughey, Train

Kristin Davis, Ang Lee, Kris Kristofferson

Tim Allen, Michelle Rodriguez, Bon Jovi

Terry Bradshaw, Marian Morris & Boo Boo, Russell Crowe & The Original Fear of God

Simon Cowell, Lisa Lampanelli, Goldfrapp

Wanda Sykes, Rainn Wilson, The New Cars

Queen Latifah, Carl Reiner, Rob Zombie

Jodie Foster, Sean Astin, Herb Alpert with Ozomatli

Megan Mullally, Kevin Brauch, Busta Rhymes

Lucy Liu, John Leguizamo, Ne-Yo

Billy Crystal, Dame Edna, Augustana

Rob Schneider, Carmen Electra, The Strokes

Rebecca Romijn, The King of Cars ‘Chop’, Beth Orton

Rosie O’Donnell, Chris Paplham, Fall Out Boy

Jennifer Aniston, John Caparulo, All American Rejects

Sharon Stone, John Heder, Big & Rich

Paul Newman, Catherine Keener, Mitch Fatel

David Spade, Ivanka Trump, Van Hunt

Paula Abdul, Chris Matthews, Sean Paul

Michael Douglas, Chelsea Handler, Toby Keith

Jamie Foxx, Mary Lynn Rajskub

Dennis Quaid, Lonnie Dupre & Eric Larson, Eagles of Death Metal

Blue October, Jon Lovitz, Julie Scardina

Terry Bradshaw, Jim Cramer, Little Big Town

Kim Basinger, Sen. John McCain, Bubba Sparxxx featuring the Ying Yang Twins

Kiefer Sutherland, Kristin Chenoweth, Matthew Sweet, Susanna Hoffs

Tom Green, Max Prado, David Gilmour

Randy Jackson, Jenny McCarthy, LeAnn Rimes

Robin Williams, Keke Palmer, Daniel Powter

Jaime Pressly, George Wallace, Avant

Howie Mandel, Elwood Carlisle, Godsmack

Jennifer Love Hewitt, Merv Griffin, Damian 'Jr. Gong' Marley

Hugh Jackman, Bruce Parry, Imogen Heap

Dr. Phil McGraw, Oscar De La Hoya, Franz Ferdinand

Kurt Russell, Lisa Lampanelli, Jewel

Josh Lucas, Hogan Family, Bird York

Teri Hatcher, Ty Pennington, James Hunter

Denis Leary, Bob Uecker, Dem Franchize Boyz

Ron Howard, John Donnelly, Brad Paisley

Lindsay Lohan, John Krasinski, Sergio Mendes, The Black Eyed Peas

Paul Bettany, Duff Goldman, Nick Lachey

Tom Cruise, Michelle Rodriguez

Tom Hanks, Emmy Rossum, Hoobastank

Simon Cowell, Johnny Holiday, T-Bone Burnett

Ellen DeGeneres, Scott McClellan, The Goo Goo Dolls

Jada Pinkett Smith, Larry the Cable Guy, Wicked Wisdom

Evangeline Lilly, Alonzo Bodden, The Pussycat Dolls

Nicollette Sheridan, Ron White, Michael Bolton

Vince Vaughn, Johnny Holiday, The Wreckers

Garry Shandling, Chris Antes, Def Leppard

Jarod Miller, Famke Janssen, Fort Minor

Dane Cook, the winner of "American Idol", The Flaming Lips

Dana Carvey, Nicholas Hearon, T.I.

Jessica Alba, Ludacris, Bruce Springsteen

Jeff Foxworthy, Larry the Cable Guy, Bill Engvall, Tim Russert

Adam Sandler, Rosie Perez, John Fogerty

Al Gore, Maya Rudolph, Rihanna

Nicole Richie, Louis C.K., Poison

Keanu Reeves, Joey Lauren Adams, Gnarls Barkley

Jack Black, Car-Parazzi Kids, Hard-Fi

George Carlin, Ann Coulter, K.T. Tunstall

Kate Beckinsale, Jim Norton, She Wants Revenge

Jennifer Love Hewitt, Richard Roeper, Nelly Furtado

Mariah Carey, Daniel Tosh, Keane

Regis Philbin, Ringo Starr, young chefs Isabella & Olivia Girasole

Thomas Haden Church, Julie Scardina & Sea World animals, Martina McBride

Kevin Spacey, Taylor Hicks

Orlando Bloom, Chamillionaire

Kate Bosworth, Damon Wayans, India.Arie

Pat Riley, Connie Chung, Guster

Jeremy Piven, Cat Deeley, Corinne Bailey Rae

Robin Williams, Jesse James, Julie Roberts

Brandon Routh, Kathleen Madigan, Ziggy Marley

Kate Hudson, Kevin Smith, Soul Asylum

Owen Wilson, Lance Armstrong, Chris Isaak

Matt Dillon, Parker Posey, Smokey Robinson

Rosario Dawson, Cedric the Entertainer, Dashboard Confessional

David Hasselhoff, Natalie Morales, Morningwood

Heidi Klum, Gabriel Iglesias, Seether

Cuba Gooding Jr., Chris Matthews, Ray Davies

Wanda Sykes, Kevin Connolly, The Fray

Colin Farrell, Brian Williams, Tom Petty & the Heartbreakers

Tina Fey, Cris Collinsworth & Jerome Bettis

Kyra Sedgwick, arctic explorers Lonnie Dupree and Eric Larsen, Taking Back Sunday

Jaime Pressly, Keith Olbermann, Los Lonely Boys

John C. Reilly, Christina Milian, Pharrell

Will Ferrell, Kristen Bell, Everclear

Abigail Breslin, Tour de France Champion Floyd Landis, Ben Harper

William H. Macy, snake expert Jules Sylvester, Three Days Grace

Lisa Kudrow, Piers Morgan, Wolfmother

Dr. Phil McGraw, Aaron Eckhart, Jessica Kirson

Courteney Cox-Arquette, Steve Schirripa, Yung Joc

Michael Clarke Duncan, ANT, 30 Seconds to Mars

Sen. John McCain, Justin Long, Five for Fighting

Bill Maher, Floyd Landis, Stone Sour

Mariska Hargitay, Ashley Tisdale, Todd Snider

Kevin Nealon, Kristen Bell, Panic Channel

David Duchovny, Donovan Frankenreiter, Jeff Corwin & animals

David Spade, Eva Mendes, Zero 7 with Jose Gonzalez

Orlando Bloom, Carrot Top, Starsailor

Jeff Foxworthy, Leelee Sobieski, Pete Yorn

Ellen DeGeneres, Richard Engel, We Are Family

Brooke Shields, Jerome Bettis, Foo Fightersr

Scarlett Johansson, Greg Behrendt, Toby Keith

Ben Affleck, James Carville, Dwight Yoakam

Jessica Simpson, D.L. Hughley, The Roots

Megan Mullally, Betty Horton, Sam Bush with Emmylou Harris

James Woods, Charlie Rose, Daniel Rodriguez

Billy Bob Thornton, Diane Lane, Lionel Richie

Matthew Perry, Daryl Peebles, OutKast

Julia Louis-Dreyfus, Jude Law, Bob Seger & The Silver Bullet Band

Howie Mandel, Clay Aiken