Olivia Munn

Actress Known for "The Newsroom," "X-Men: Apocalypse" & "Magic Mike"; Breast Cancer Survivor & Women's Rights Advocate

Olivia Munn Opens Up About Her "Terrifying" Breast Cancer Diagnosis

Jason Momoa

Actor, Director & Environmental Activist; Known for "Game of Thrones," "Aquaman" & "A Minecraft Movie"

Jason Momoa on Minecraft with Jack Black, Dancing with Meryl Streep & Playing Lobo in S...

Edward Norton

Academy Award-Winning Actor & Filmmaker Known for "Birdman," "Glass Onion" & "A Complete Unknown"; Environmental Advocate & Social Entrepreneur

Leonardo DiCaprio

Award-Winning Actor & Environmentalist

Matt Damon

Actor, Screenwriter & Producer; Co-Founder of Water.org; Expert Advocate on Global Water & Sanitation Crisis

Arnold Schwarzenegger

World-Champion Bodybuilder, Hollywood Actor, Former Governor of California

Arnold Schwarzenegger Takes The Colbert Questionert

Jessica Alba

Actress, Entrepreneur, Founder & Former Chief Creative Officer of The Honest Company; Co-Host of "Honest Renovations" & Bestselling Author of "The Honest Life"

Rose Marcario

Founding Partner at ReGen Ventures; Former President & CEO of Patagonia; Environmental Activist

Pierce Brosnan

Actor, Producer & Activist; Best Known for His Role as James Bond

Jake Gyllenhaal

Award-Winning Actor Known for "Brokeback Mountain," "The Guilty" & "Presumed Innocent"; Environmental Advocate

Jake Gyllenhaal Gets a Leg Cramp While Eating Spicy Wings | Hot Ones

Kathy Bates

Academy & Emmy Award-Winning Actress Known for "Misery," "American Horror Story" & "Matlock"; Cancer Awareness Advocate

"Matlock" star Kathy Bates

Cate Blanchett

Academy Award-Winning Actress Known for "Elizabeth," "The Aviator" & "Disclaimer"; Ambassador for the Australian Conservation Foundation

Cate Blanchett discusses our AI future

Thandiwe Newton

Award-Winning British Actress Best Known for her Role in Westworld

Maroon 5

American Pop/Rock Band Known for the Hit Singles, "Maps," "Love Somebody" & "Misery"

Mark Ruffalo

Golden Globe-Winning Actor, Director, Screenwriter & Environmental Activist

Bill Maher

Political Satirist & Host of HBO's "Real Time"

Don Cheadle

Actor, Activist & Author; Known for "Iron Man 2" & "Hotel Rwanda"

ACE Universe Presents: A Conversation with Don Cheadle - YouTube

Shailene Woodley

Environmental Activist & Actress Known for "Divergent"

Aidan Gallagher

Actor, Musician & UN Environment Goodwill Program Ambassador; Known for "The Umbrella Academy"

Laura Dern

Actress, Director, Producer & Activist