A Simple Favor Theatrical release poster Directed by Paul Feig Produced by Paul Feig Jessie Henderson Screenplay by Jessica Sharzer Based on A Simple Favor by Darcey Bell Starring Anna Kendrick Blake Lively Henry Golding Andrew Rannells Music by Theodore Shapiro Cinematography John Schwartzman Edited by Brent White Production company Lionsgate Feigco Entertainment Distributed by Lionsgate Release date September 14, 2018 (2018-09-14) Running time 117 minutes[1] Country United States Language English Budget $20 million[2] Box office $6.4 million[3]