Answer: jackblack

AnswerCrossword Clue
JACKBLACKVoice of the title character in "Kung Fu Panda"
JACKBLACK"School of Rock" star
JACKBLACKActor in Tenacious D
JACKBLACK"King Kong" co-star, 2005
JACKBLACKStar of 2010's "Gulliver's Travels"
JACKBLACKHalf of Tenacious D