Alec Baldwin

Acclaimed Broadway, Film & TV actor

Ellen DeGeneres

Award-Winning Comedian, TV Host, Actress & LGBTQ Activist

Pierce Brosnan

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

Alan Cumming

Emmy-Winning Actor Who Stars in "The Good Wife"

Ashley Judd

Actress, Activist & Humanitarian

Sophia Bush

Actress, Humanitarian & Author

Sarah McLachlan

Singer-Songwriter & Activist

Jason Biggs

Actor Known For His Roles in the "American Pie" Series and on "Orange Is The New Black" Among Others

Giuliana Rancic

Entertainment Journalist & Breast Cancer Survivor

Joe Pantoliano

Emmy Award-Winning Actor & Film Producer; Mental Health Advocate

Kevin Nealon

Former Cast Member of 'Saturday Night Live'; Co-Star on Showtime's "Weeds"

Bill Maher

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

Patricia Heaton

Emmy Award-Winning Actress Known for "Everybody Loves Raymond" & "The Middle"

Edie Falco

Actress, Known for "The Sopranos" & "Nurse Jackie"

Hector Elizondo

Emmy Award-Winning TV & Film Actor; Best Known For His Roles in "Pretty Woman" & "The Princess Diaries"

Ed Begley Jr.

Environmental Activist & Emmy Award-Nominated Actor

Simon Lovell

English Comedy Magician, Card Shark Actor and Con Man

Danny Trejo

Actor, Author, Activist & Restaurateur; Recovery & Intervention Counselor for Troubled Youth

Tom Hardy

English Actor Known for "This Means War," "The Dark Knight Rises," "Inception." & "Mad Max"

Jim Caviezel

Actor; Known for "Sound of Freedom" & "The Passion of the Christ"

Ewan McGregor

Actor Known for "Trainspotting," "Big Fish" & "Salmon Fishing in the Yemen"

Charlize Theron

Academy Award-Winning Actress; Best Known for "Monster" & "Mad Max: Fury Road"

Sean Astin

Actor, Director, Voice Artist & Producer Known For "Lord of the Rings"

Colin Firth

Award-Winning Actor Known for "Kingsman" & "Pride and Prejudice;" Environmentalist & Humanitarian

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Forest Whitaker

Award-Winning Actor, Producer & Director; Best Known for "Rogue One: A Star Wars Story" & "The Last King of Scotland"

Chelsea Handler

Comedian, TV Personality & Author

Moby

Musician, DJ, Photographer

Andy Cohen

Emmy Award-Winning Host & Producer of Bravo’s "Watch What Happens: Live"

Andy Cohen reacts to his infamous New Year’s Eve rant

Tim Gunn

Fashion Icon, Former Co-Host & Mentor of "Project Runway"