Ellie Kemper

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

Venus Williams

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

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"

Hasan Minhaj

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

Cecily Strong

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

Nicole Byer

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

Seth Meyers

Host of "Late Night with Seth Meyers" & Former Head Writer for SNL

Bill Hader

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

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

Nick Offerman

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

T.J. Miller

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