The Mac King Comedy Magic Show at Harrah's Las Vegas. You’ll laugh so hard your cheeks will hurt at Mac King’s comedy show at Harrah’s Las Vegas. This entertaining performance shows off the best of Mac King’s talents. Magic tricks, off-the-cuff jokes and visual gags make this an unforgettable afternoon out in Vegas. Book with us and Save 14% Off The Mac King Comedy Magic Show at Harrah's Las Vegas.