Karan Soni , Da'Vine Joy Randolph and Jamie Chung joined the Office Christmas Party cast prior to April 6 , 2016 .
Karan Soni , Da'Vine Joy Randolph and Jamie Chung were added on April 5 , 2016 , and on April 6 , 2016 , Rob Corddry , Andrew Leeds , and Oliver Cooper were cast as well .
Office Christmas Party