William Shatner

Emmy-Award Winning Actor, Known for "Star Trek" & "Boston Legal"

Paul Reiser

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

Henry Winkler

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

Adam Sandler

Actor, Comedian, Producer & Musician

Bette Midler

Entertainer & Award-Winning Actress & Singer

Howie Mandel

Comedian, Actor, TV Host & Judge on "America's Got Talent"

Brad Garrett

American Actor and Stand-Up Comedian

Andy Samberg

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

Tracee Ellis Ross

Actress, Producer; Chief Executive Officer at PATTERN

Woody Allen

Legendary Director, Screenwriter & Actor

Jerry Seinfeld

Comedian, Actor, Writer, & Television/Film Producer

Liev Schreiber

American Actor, Producer, Director, and Screenwriter

Simon Helberg

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

Evan Handler

Actor, Author, Screenwriter & Journalist; Best Known for “Sex and the City,” and "Californication"

Max Greenfield

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

Adam Goldberg

Actor, Director, Producer & Musician

Ben Stein

Political Economist, Commentator, Author & Actor

Jason Segel

Writer & Actor Known for His Role in "How I Met Your Mother," "Forgetting Sarah Marshall" & "I Love You, Man"

Rob Schneider

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

Leah Remini

Actress, Activist & Author of "Troublemaker: Surviving Hollywood and Scientology"

Al Franken

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

Richard Dreyfuss

Academy Award-Winning Actor

Billy Crystal

Award-winning Actor & Comic; Best Known for "When Harry Met Sally"

Maggie Siff

Actress Known for her Roles in "Sons of Anarchy" and "Mad Men"

Rachel Bloom

Comedian, Actress & Writer; Star of "Crazy Ex-Girlfriend"

Steven Spielberg

Oscar Award-Winning Filmmaker

Sarah Jessica Parker

Actor, Producer & Businesswoman

Jeff Goldblum

Actor & Jazz Musician Known for Starring in the "Jurassic Park" Film Series

Melissa Rauch

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

Michael J. Fox

Actor, Author and Advocate; Founder, The Michael J. Fox Foundation for Parkinson’s Research

Michael J. Fox on latest Parkinson's research and how he's ...