Mark Cuban
David Paul Morris—Bloomberg via Getty Images
Warren Buffett was one of many high-profile individuals to make cameos in Entourage: LeBron James, Tom Brady, Piers Morgan, Pharrell, and Rob Gronkowski show up as well. So does Dallas Mavericks owner, "Shark Tank" investor, and all-around celebrated businessman Mark Cuban. Here's Cuban's cameo on an episode of the show "Entourage," amusingly also featuring Bob "Better Call Saul" Odenkirk.