Cecily Strong

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

Nicole Byer

Comedian, Actress & Writer; Co-Host of "Wipeout"

Kevin O'Leary

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

Ellie Kemper

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

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

Venus Williams

Professional Tennis Player, Four-Time Olympic Gold Medalist, Equal Pay Activist, Author & Entrepreneur

Ian Somerhalder

Actor Known for "The Vampire Diaries"; Animal & Environmental Advocate; Founder of The Ian Somerhalder Foundation

William Shatner

Emmy-Award Winning Actor, Known for "Star Trek" & "Boston Legal"

Rob Riggle

Actor, Comedian, Writer, Producer, Director & Former U.S. Marine

Retta

Stand-Up Comedian & Actress Known for "Parks and Recreation"

Bill Nye

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

Spike Lee

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

Ashley Judd

Actress, Activist & Humanitarian

Clay Walker

Country Music Artist Known For "What's It to You" & Multiple Sclerosis Survivor & Founder of Band Against MS

T.J. Miller

Actor and Stand-Up Comedian, Currently Starring in HBO's 'Silicon Valley'

Nick Offerman

Actor, Writer & Carpenter; Best Known for "Parks and Recreation"

Alan Alda

Actor; Writer; Science Advocate; Director

Andie MacDowell

Film Actress

Blythe Danner

Emmy Award-Winning Actress & Activist

Gary Sinise

Actor & Advocate for America's Servicemen and Women; Founder of the Gary Sinise Foundation