Official A SIMPLE FAVOR Trailer Don’t miss the official A SIMPLE FAVOR trailer! The film, directed by Paul Feig (Ghostbusters, Spy), stars Blake Lively, Anna Kendrick, Linda Cardellini, Rupert Friend, and Jean Smart. A SIMPLE FAVOR will be released in theaters on September 14. A SIMPLE FAVOR, directed by Paul Feig, centers around Stephanie (Anna Kendrick), a mommy vlogger who seeks to uncover the truth behind her best friend Emily’s (Blake Lively) sudden disappearance from their small town. Stephanie is joined by Emily’s husband Sean (Henry Golding) in this stylish thriller filled with twists and betrayals, secrets and revelations, love and loyalty, murder and revenge.