Clay Walker

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

Bill Hader

Actor, Comedian, Writer, & Director; Known for "Saturday Night Live" & "Barry"

Seth Meyers & Bill Hader's Favorite SNL Memories & Barry Finale

Lin-Manuel Miranda

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

Nick Offerman

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

Alan Alda

Actor; Writer; Science Advocate; Director

Peter Thiel

Former CEO and Co-founder of PayPal; Technology Entrepreneur, Investor and Philanthropist

Rob Lowe

Actor, Best-Selling Author, Podcaster & Philanthropist

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Andie MacDowell

Film Actress

Alison Krauss

Bluegrass-Country Singer-Songwriter & Fiddle Virtuoso

Gary Sinise

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

T.J. Miller

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

Kevin Spacey

Two-Time Academy Award-Winning Actor, Director, Producer, Screenwriter and Singer; Best Known For His Roles in "American Beauty" and Netflix's "House of Cards"

Blythe Danner

Emmy Award-Winning Actress & Activist