Adam Savage

Industrial & Special Effects Designer, Educator & Co-Host of "MythBusters"

Amy Robach

Co-Host of "Amy & T.J. Podcast"; Former Co-Host of "20/20" & Former ABC News Correspondent for "Good Morning America;" Breast Cancer Survivor

Ben Stein

Political Economist, Commentator, Author & Actor

Brian Kilmeade

Television & Radio Presenter; Co-host of "Fox & Friends" on FOX News Channel

Carla Hall

Co-Star of "Crazy Delicious;" Host of Discovery+'s "Foodways" & the "Say Yes!" Podcast

Dan Harris

Award-Winning ABC News Anchor & #1 New York Times Best-Selling Author

Dan Pallotta

Founder & President of Advertising for Humanity and the Charity Defense Council; Author of "Uncharitable" and "Charity Case"

Daphne Oz

Emmy Award-winning Television Host, New York Times Bestselling Author, Chef & Entrepreneur

Dave Winfield

National Baseball Hall of Famer & Advisor to the Executive Director of the Major League Baseball Players Association

David Agus

Co-Founder of Navigenics, Author of "The End of Illness" & Host of "The Checkup with Dr. David Agus"; Professor of Medicine & Engineering at the University of Southern California

The Book of Animal Secrets

David Zinczenko

Founder & CEO of Galvanized; Former Vice President of Men's Health, Women's Health & Prevention; Retired Nutrition & Wellness Editor at ABC News

Dennis Prager

Host of the Dennis Prager Radio Show, Co-Founder of Prager University, NY Times Bestselling Author & Columnist

Diane Guerrero

Immigration Reform Activist & Actress Known for "Orange is the New Black" & "Jane The Virgin"

Dr. Lisa Masterson

OB/GYN, Mom, Philanthropist & Author; Known as Co-Host of "The Doctors"

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Former MythBusters Build Team: Tory Belleci, Kari Byron and Grant Imahara

MythBusters Build Team: Tory Belleci, Kari Byron and Grant Imahara

Frank Luntz

Political Pollster & Communication Expert

Gabby Douglas

First African-American to Win Olympic Gold Medal for Gymnastics; Author of New York Times Bestseller "Grace, Gold & Glory: My Leap of Faith"

George Takei

Actor, Social Justice Activist & Social Media Mega-Power

Giuliana Rancic

Entertainment Journalist & Breast Cancer Survivor