Inside Out is a 2015 American animated coming-of-age film produced by Pixar Animation Studios for Walt Disney Pictures. Produced by Jonas Rivera, it was directed by Pete Docter from a screenplay he co-wrote with Meg LeFauve and Josh Cooley. The film stars the voices of Amy Poehler, Phyllis Smith, Richard Kind, Bill Hader, Lewis Black, Mindy Kaling, Kaitlyn Dias, Diane Lane, and Kyle MacLachlan. Inside Out follows the inner workings of the mind of Riley, a young girl who adapts to her family's relocation as five personified emotions administer her thoughts and actions.

William Thomas Hader Jr. is an American actor, comedian, writer, producer, and director. Hader gained widespread attention for his eight-year stint as a cast member on the long-running NBC sketch comedy series Saturday Night Live from 2005 to 2013, for which he received four Primetime Emmy Award nominations and a Peabody Award. He became known for his impressions and especially for his work on the Weekend Update segments, where he played Stefon Meyers, a flamboyant New York City nightclub tour guide.