Ken Jennings

Self - Host

Johnny Gilbert

Announcer, Clue Giver

James Holzhauer

Self - Contestant

Mattea Roach

Self - Contestant

Matt Amodio

Self - Contestant

Amy Schneider

Self - Contestant, Self - Audience Member

Michael J. Fox

Actor, Producer, Self - Clue Giver

Hans Zimmer

Music Composer, Self - Clue Giver

Jason Alexander

Actor, Producer, Self - Clue Giver

Padma Lakshmi

Cookbook Author, Self - Clue Giver, Top Chef Host

Neil deGrasse Tyson

Astrophysicist