The 43-year-old star will be playing the role of a gambling drug addict and as a part of his movie research he was in a casino in Macau, China, reported Ace Showbiz.
"I hit blackjack three times. Needless to say, I won a lot of money. And like my character in the movie, I took every chip off the table and walked right over to the roulette wheel, put it all on black... And lost everything," Wahlberg said.
The movie is set to be released on December 25.