Kelsey Mann Director Amy Poehler Joy Voice Kensington Tallman Riley Voice Maya Hawke Anxiety Voice Lilimar Valentina Voice Phyllis Smith Sadness Voice Lewis Black Anger Voice Tony Hale Fear Voice Liza Lapira Disgust Voice Ayo Edebiri Envy Voice Adèle Exarchopoulos Ennui Voice Paul Walter Hauser Embarrassment Voice Diane Lane Mom Voice Kyle MacLachlan Dad Voice Yvette Nicole Brown Coach Roberts Voice Dave Goelz Frank Voice Frank Oz Dave Voice Bobby Moynihan Forgetter Bobby Voice Paula Poundstone Forgetter Paula Voice John Ratzenberger Fritz Voice Paula Pell Mom's Anger Voice Flea Jake Voice June Squibb Nostalgia Voice Meg LeFauve Screenwriter Dave Holstein Screenwriter Mark Nielsen Producer Pete Docter Executive Producer Jonas Rivera Executive Producer Dan Scanlon Executive Producer Adam Habib Cinematographer Jonathan Pytko Cinematographer Andrea Datzman Original Music Jason Deamer Production Design