Emma Watson

Actress, Model & Activist; UN Women Goodwill Ambassador; Co-Founder of the HeForShe Campaign

Jenny McCarthy

Actress, Host & Judge on Fox's "The Masked Singer"; Beauty Entrepreneur & Founder of Formless Beauty

Alec Baldwin

Acclaimed Broadway, Film & TV actor

Jurnee Smollett

Actress & Singer

Bobby Lee

Actor & Comedian; Best Known for "Mad TV" & "Pineapple Express"

Tamara Tunie

Film, stage and television actress, director and producer. She is best known for her portrayal of medical examiner Melinda Warner on the NBC police drama Law & Order: Special Victims Unit.

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Andrew Rothenberg

Jim on the First Season of AMC’s Hit Drama "The Walking Dead"

Priyanka Chopra Jonas

Award-Winning Actress, Producer & Humanitarian

Priyanka Chopra Jonas Takes a Lie Detector Test | Vanity Fair

Matthew McConaughey

Academy Award-Winning Actor, Writer & Philanthropist

Jamie-Lynn Sigler

Actress Known for "The Sopranos" & "Big Sky" & Co-Host of "MeSsy"; Spokesperson for Eating Disorders & Multiple Sclerosis Survivor

Maura Tierney

Golden Globe Award-Winning Actress & Breast Cancer Survivor

Alison Gopnik

Professor & World Leader in Children's Learning and Development

Tom Selleck

Award-Winning Actor Known for "Magnum P.I." & "Blue Bloods"; Author of "You Never Know: A Memoir"

Tom Selleck Admits He Was Fired After One Episode of Charlie's Angels

Howie Mandel

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

Adam Sandler

Actor, Comedian, Producer & Musician

Vanessa Williams

Grammy Nominated Singer, Actress & Philanthropist

Danielle Fishel

Actress, Television Personality & Author

George Lopez

Stand-Up Comedian, Television Personality, Actor & Kidney Disease Spokesperson

Colin Mochrie

Former Second City Comic Actor; Star of "Whose Line Is It Anyway?"