Hush is a 2016 American slasher film directed and edited by Mike Flanagan, and starring Kate Siegel, who also co-wrote the film with Flanagan. The film co-stars John Gallagher Jr., Michael Trucco, Samantha Sloyan, and Emilia "Emma" Graves. It was jointly produced by Trevor Macy through Intrepid Pictures and Jason Blum through Blumhouse Productions.

John Howard Gallagher Jr. is an American actor and musician best known for originating the role of Moritz Stiefel in the 2006 rock musical Spring Awakening, which earned him a Tony Award for Best Featured Actor in a Musical. He also played Johnny in Green Day's Broadway musical, American Idiot, Lee in the 2011 Broadway production of Jerusalem, and Edmund in the 2016 Broadway revival of Long Day's Journey Into Night. He portrayed Jim Harper in Aaron Sorkin's drama series The Newsroom, starred in the HBO mini-series Olive Kitteridge, and played Emmett DeWitt in 10 Cloverfield Lane.