Ben Affleck banned from the blackjack table at Las Vegas' hard rock cafe because he was apparently just winning too much money. ABC's Mara schiavocampo has the story. I need your help. Reporter: As an... See More
Ben Affleck banned from the blackjack table at Las Vegas' hard rock cafe because he was apparently just winning too much money. ABC's Mara schiavocampo has the story. I need your help. Reporter: As an actor, writer and director, Ben Affleck is a Hollywood triple threat. What's your middle name? Leon? Shoot him. Reporter: But his real threat may be at the blackjack table. This morning the superstar's winning hand making headlines. The actor reportedly removeds from a blackjack table at the hard rock hotel & casino in las Vegas for alleged ly counting cards. He had a run-in at the casino Tuesday night. Security telling him he was banned from playing blackjack saying "You're too good" and politely escorting him away from the table. Affleck who played an online gambling mogul in "Runner runner." If hi a dollar for every bad gambler, I wouldn't need it. Reporter: Has spoken publicly about his love of the game. I like to come to casinos and play blackjack and poker. Reporter: Counting cards involves keeping track of the cards already played to determine what's left in the deck and how to bet. Colin Jones of blackjackapprenticeship.com teaches players how it works. It's a mix between chess and extreme couponing. You know when to raise your bet when you have the advantage and when to lower the bet when the casino has the advantage. Reporter: It's not illegal featured in "Rainpane"? We're counting cards. Reporter: And "21" where a group of M.I.T. Students make big money using the tactic. Blackjack. Reporter: While the source says Affleck is now busted when it comes to playing blackjack at the hard rock casino he was offered other games to play. The casino told ABC news it does not comment on guests' game playing but said "Mr. Affleck, a valued guest of hard rock hotel & casino is not banned from our property and is welcome back any time. "Free to try his luck at something else. For "Good morning America," Mara schiavocampo, ABC news, new York. Free to try his luck at something he's not as good at. I just don't get why counting is not allowed by these casinos. It's not illegal. They'd never take me out. I'm not good. You could stay as long as you want. Come on in.
This transcript has been automatically generated and may not be 100% accurate.