15 Celebs Who've Appeared on 'Jeopardy! Greatest of All Time' (PHOTOS)

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ALEX TREBEK, KEN JENNINGS, BRAD RUTTER, JAMES HOLZHAUER
ABC/Eric McCandless
jeopardy celebs gallery norman lear
ABC

Norman Lear

The famed producer and TV writer popped up in Episode 1 of the tournament.

jeopardy celebs gallery david muir
ABC

David Muir

The newsman appeared in a category based on his reporting in Episode 1.

jeopardy celebs gallery kevin hart
ABC

Kevin Hart

The comedian and actor gave a clue based on his new film Jumanji: The Next Level in Episode 1.

jeopardy celebs gallery bryan cranston
ABC

Bryan Cranston

The Breaking Bad alum read clues from a chemistry-based category in Episode 1.

jeopardy celebs gallery dax shepard
ABC

Dax Shepard

The Bless This Mess star appeared in Episode 1.

jeopardy celebs gallery ryan seacrest
ABC

Ryan Seacrest

The American Idol host popped up in Episode 1.

jeopardy celebs gallery luke bryan
ABC

Luke Bryan

The country crooner and American Idol judge gave players an answer in Episode 1.

jeopardy celebs gallery katy perry
ABC

Katy Perry

The singer and American Idol judge delivered a clue in Episode 1.

jeopardy celebs gallery lionel richie
ABC

Lionel Richie

The performer and current American Idol judge shared a clue in Episode 1.

jeopardy celebs gallery jimmy kimmel
ABC

Jimmy Kimmel

The late night host shared an answer about fishing in his Episode 2 appearance.

jeopardy celebs gallery glenn close
ABC

Glenn Close

The actress appeared for one clue in Episode 2 and delivered answers for the stage performance category in Episode 3.

jeopardy celebs gallery conan obrien
ABC

Conan O’Brien

The funnyman read a clue in Episode 3 and Episode 4.

jeopardy celebs gallery christopher plummer
ABC

Christopher Plummer

The Oscar-winning actor delivered answers for an entire category in Episode 3.

kareem abdul jabar jeopardy celebs
ABC

Kareem Abdul-Jabbar

The basketball legend presented clues for one of the categories during Episode 4.

ryan reynolds jeopardy celebs
ABC

Ryan Reynolds

The actor presented clues on a Canadian based category in Episode 4.

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Jeopardy! fans basked in the joy of watching former champions Ken Jennings, Brad Rutter and James Holzhauer compete for the title of the greatest player of all time in Jeopardy! The Greatest of All Time, but they aren't the only familiar faces that appeared onscreen.

No, we're not talking about beloved host Alex Trebek, who remained as sharp as a tack in this tournament. This special programming event actually featured a slew of big names, not in-studio, but reading the answers for which contestants must find the corresponding question.

Who Do You Think Will be the 'Jeopardy!' Greatest Of All Time? (POLL)See Also

Who Do You Think Will be the 'Jeopardy!' Greatest Of All Time? (POLL)

Will it be James Holzhauer, Ken Jennings or Brad Rutter? Vote in our poll!

The event kicked off on Tuesday, January 7 and the key of the game was for the players to win three matches. The first champion to successfully pull in three would be crowned Jeopardy!'s greatest of all time and be awarded the $1 million grand prize, with the runners up will walk away with $250,000 each.

In the end, Jennings was that winner by Night 4, with Holzhauer and Rutter coming in at second and third place. In the gallery above, we're breaking down all of the celebrities who appeared in the special event through the categories.