The Boss Baby premiered at the Miami International Film Festival on March 12, 2017, and was released in the United States on March 31. The first installment in The Boss Baby franchise, the plot follows a boy helping his baby brother who is a secret agent in the war for adults' love between babies and puppies. Loosely based on the 2010 picture book of the same name by Marla Frazee, it was directed by Tom McGrath from a screenplay by Michael McCullers, and stars the voices of Alec Baldwin as the title character, along with Steve Buscemi, Jimmy Kimmel, Lisa Kudrow, Miles Bakshi, and Tobey Maguire. The Boss Baby is a 2017 American computer-animated comedy film produced by DreamWorks Animation and distributed by 20th Century Fox.