Vicki Lawrence

Actress, Comedian & Women's Activist; Best Known for her Characters on "The Carol Burnett Show"

Linda Armstrong Kelly

Single Mother of Lance Armstrong; Philanthropist & Advocate for Children

Shay Mitchell

Actress Known for Her Role in "Pretty Little Liars"; Entrepreneur & CEO of Beis

Dr. Ian Smith

Doctor, New York Times Bestselling Author, Medical Contributor & Host of "The Doctors"

Kathy Najimy

Award-Winning Actress & Activist

Malaak Compton

Activist & Philanthropist

Daryl Hannah

Actress, Best Known for "Kill Bill" & "Splash"; Environmental Activist

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

John Stossel

Emmy-Award Winning Journalist

Tyler Posey

Actor and Musician; Best Known for His Role as Scott McCall in MTV's "Teen Wolf"

Caroline Rhea

Stand-up Comedian, Actress & Television Host

Caroline Rhea Stand-Up: Dating, Astrology and Having a Teenage Daughter

Maureen McCormick

Actress & Author Best Known for "The Brady Bunch"

Lisa Oz

Best-Selling Author, Producer, Host & Entrepreneur

Maria Bello

Actress, Activist & Vital Voices Global Ambassador

Alicia Silverstone

Actress & Animal Rights Activist

Dan Savage

Advice Columnist & Host of the "Savage Lovecast" Podcast; LGBTQ Activist

Kelly McDonald

Multicultural Marketing & Business Trends Expert

Nikki Reed

Actress, Singer-Songwriter & Model; Founder & CEO of Eco-Sustainable Fashion Brand Bayou With Love; Autism & Environmental Advocate

Kristen Schaal

Actress, Stand-Up Comedian & Writer

Kristen Schaal's Daughter Is Not A Kristen Schaal Fan | CONAN

Reggie Watts

Comedian & Musician; Bandleader of the IFC Talk Show "Comedy Bang! Bang!"