Allan LoebWritingJuly 25, 1969 (56 years old)Highland Park, Illinois, USAPopularity: 1IMDbBiographyAllen Loeb (born July 25, 1969) is an American screenwriter and producer. He is best known for writing the screenplays to “21” (2008), “Just Go with It” (2011), and “Collateral Beauty” (2016).Known For8.3ClassicEuphoriaGabeFilmographyMovies18TV Shows4AllCastCrew18Browse All2020s5.2Last Moment of ClarityExecutive Producer2010s7.0The Space Between UsStory6.3The Only Living Boy in New YorkWriter7.2Collateral BeautyWriter6.2Here Comes the BoomWriter6.2Rock of AgesScreenplay6.1So UndercoverScreenplay6.7Just Go with ItScreenplay5.3The DilemmaWriter6.2The SwitchScreenplay6.1Wall Street: Money Never SleepsWriter2000s6.721Screenplay6.5StreakWriter6.6Things We Lost in the FireScreenplay