The actor said he spent "months and months" training for his big bar scene during a Q&A for the movie's SXSW premiere.

The Accountant 2 follows Wolff, an autistic accountant and a favorite CPA of crime bosses, as he is compelled to solve an old acquaintance’s murder, recruiting his killer-for-hire brother ( Jon Bernthal) to help, and, in the process, uncovers a deadly conspiracy.

The challenge for me was the months and months I spent training to line dance,” said Ben Affleck at the SXSW premiere of The Accountant 2 – “that was my stunt".