When Lee Seung Gi was asked about his character, who runs around and gets struck by Moon Chae Won's character, Lee Seung Gi shared, "Running was really tiring. After all, it does require physical strength...." He joked, "Getting hit was easy. Moon Chae Won hit me well once." Moon Chae Won added, "I hit him a lot in obscure places like his neck."
Moon Chae Won's character particularly uses a lot of vulgar language throughout the movie. MC Kim Il Joong noted that Moon Chae Won was someone who swore frequently herself as he stated, "You know, Moon Chae Won curses a fair amount.