Simon Helberg

Actor & Comedian; Best Known for Role of Howard Wolowitz on "The Big Bang Theory"

Max Greenfield

Actor Known For "New Girl" & Children's Author

Andy Samberg

Actor, Comedian, Rapper & Writer; Known for "Saturday Night Live" & "Brooklyn Nine-Nine"

Rob Schneider

Emmy-nominated Actor, Comedian & Screenwriter; Former SNL Cast Member

Elon Gold

Comedian and Actor; Starred in FOX's "Stacked"

Brad Garrett

American Actor and Stand-Up Comedian

Josh Peck

Actor & Social Media Influencer

Albert Brooks

Actor, Voice Actor, Writer, Comedian, and Director

Melissa Rauch

Actress, Writer & Stand-Up Comic, Best known for "The Big Bang Theory"

Paul Rudd

Actor; Known for Roles in "Anchorman," "I Love You, Man" and "Ant-Man"

Harry Shearer

Actor and Comedian; Known for "The Simpsons" and "Spinal Tap"

Jeffrey Ross

Comedian, Author, "I Only Roast the Ones I Love" and Host, The Burn

Kevin Pollak

Actor & Comedian known for "The Usual Suspects" and "The Marvelous Mrs. Maisel"

Jon Lovitz

Comedic Actor, Former SNL Cast Member

Carol Leifer

Award-Winning Writer, Author, Actress & Standup Comedian

Chris Kattan

Comedian & Actor; Best Known for "Saturday Night Live"

Gabe Kaplan

Sitcom Star, Stand-Up Comedian and World-Champion Gambler

Al Franken

Former Senator from Minnesota; Former SNL Writer; SiriusXM Radio Show Host

David Cross

Emmy Award-Winning Actor, Comedian, Producer & Writer

David Cross Can't Be Confined To The Late Show's Guest Chair

Peter Berg

Writer, Director, Producer and Actor, FILM 45

Michael Rosenbaum

Actor, Producer, Singer & Comedian; Known for Playing Lex Luthor on "Smallville"

Mark Feuerstein

Actor, Star of "Royal Pains"

Henry Winkler

Actor, Producer, Director & Best-Selling Author; Best Known for "Happy Days"

Jeffrey Tambor

Emmy Award-Winning Actor of "Arrested Development," "The Hangover" & "Transparent"

Ben Stein

Political Economist, Commentator, Author & Actor

David Schwimmer

Actor, Director, Producer, Voice Actor and Comedian

Paul Reiser

Actor, Writer & Stand-Up Comedian Known for Portraying Paul Buchman in "Mad About You"

Robert Reich

Economic Analyst, CNBC Contributor, Professor, Author, Advisor to Presidents & Former Secretary of Labor

Josh Radnor

Actor, Filmmaker, Author & Musician Best Known for his Role in "How I Met Your Mother"

Choosing Between Growth or Depth As A Man - Josh Radnor

Hal Linden

Actor, Director & Musician