The Boy Downstairs Her ex-lover is her new neighbor. A young woman is forced to reflect on her first relationship when she inadvertently moves into her ex boyfriend's apartment building. Details Casts Videos Galleries Posters Title The Boy Downstairs Release Date 2018-02-16 Runtime 01 Hours 31 Minutes Genres Romance Comedy Drama Production Companies Motion Picture Capital, The Boy Downstairs Productions, Cliffbrook Films Production Countries United States of America Zosia Mamet... Diana... Matthew Shear... Ben... Deirdre O'Connell... Amy... Sarah Ramos... Meg... Diana Irvine... Gabby... Arliss Howard... Diana's Father... Peter Oliver... Julian... Jeff Ward... Marcus... Theo Stockman... Eliot... The Boy Downstairs - Official Trailer (Trailer) Original Size (1280x720) Original Size (1920x1080) Original Size (3000x1686) Original Size (1920x1080) Original Size (1400x1995) Original Size (2000x3000) Original Size (2000x3000) Original Size (960x1440) Original Size (2000x3000) Original Size (1000x1500) Original Size (2000x2865) Original Size (2000x2865)