Who were the three Jeopardy contestants on November 22 2010?

Answer 1

Reigning Champion Priscilla Ball (whose 1-day cash winnings from Friday, January 16, 2009 totalled $12,799) was set to return for episode 5611 which aired January 19, 2009. She was unable to return for that episode due to illness, so three brand new contestants played on January 19, 2009. It was decided that Priscilla would return as a co-champion at a later date. Her return was on episode 5669 which aired April 9, 2009. She won that game.

Answer 2

The 3 Contestant according to the related link were as follows:

George Tsuji, a software engineer from Ottawa, Ontario, Canada

Aimee Slater, a program manager originally from Spokane, Washington

Vito Cortese, a software engineer and Italian translator from Pittsburgh, Pennsylvania (whose 3-day cash winnings total $68,485)

George Tsuji, became the new champion with a total of $20,000