Allan Loeb is an American screenwriter and film and television producer, best known for his roles in the films such as 21 (2008), Just Go with It (2011), The Switch (2010), Things We Lost in the Fire, Wall Street: Money Never Sleeps, The Dilemma, Rock of Ages, Here Comes the Boom and So Undercover. In 1997 he sold his first script "The Second Time Around" a romantic comedy to DreamWorks Pictures.