Kevin O'Leary

Founder of O'Leary Financial Group; Venture Capitalist & Financial Expert; Known for Being A Shark on"Shark Tank"

Bill Nye

"The Science Guy"; Science Communicator, TV Presenter & Mechanical Engineer; Climate Change Activist

Robert Reich

Economic Analyst, CNBC Contributor, Professor, Author, Advisor to Presidents & Former Secretary of Labor

Aasif Mandvi

Comedic Actor & Former Correspondent for "The Daily Show"

Cecily Strong

Actress, Comedian, "Saturday Night Live" Cast Member & Former Co-Anchor of "Weekend Update"

Cecily Strong's Idris Elba Impersonation That Never Made It to SNL

John Legend

EGOT Winning Musician, Producer & Philantropist

Ashley Judd

Actress, Activist & Humanitarian

Ashley Judd: Women, we are in the fight of our lives

Lin-Manuel Miranda

Tony Award-Winning Actor, Composer, & Lyricist; Known for "In The Heights," "Bring it On the Musical," & "Hamilton"

Hasan Minhaj

Comedian, Actor, Writer & Star of "Patriot Act with Hasan Minhaj"

Ellie Kemper

Actress, Comedian, & Writer Best Known for Her Roles in "The Office" & "Unbreakable Kimmy Schmidt"

Sophia Bush

Actress, Humanitarian & Author

Nev Schulman

Producer, Actor, Photographer & TV Host Known for MTV's "Catfish: The TV Show"

Thomas Middleditch

Actor, Voice Actor, Comedian, Screenwriter Known for "Silicon Valley"

Andy Cohen

Host & Producer of Bravo’s "Watch What Happens: Live;" Former EVP of Development & Talent at Bravo

Max Greenfield

Actor Known For "New Girl"

Ben Stein

Political Economist, Commentator, Author & Actor

Spike Lee

Academy Award-Winning Writer, Producer, Actor & Director; Best Known for "BlacKkKlansman" & "Malcolm X"

Spike Lee to Receive American Cinematheque Award

Kal Penn

Actor, Writer, Producer & Former Associate Director of the White House Office of Public Engagement

Mario Lopez

Actor & Entertainment Journalist

George Takei

Actor Known for His Role in "Star Trek;" LGBTQ & Japanese-American Civil Rights Activist

George Takei on why the original ‘Star Trek’ never featured a gay character