| Alana Haim | | Alana Kane |
| Will Angarola | | Kirk |
| Cooper Hoffman | | Gary Valentine |
| Griff Giacchino | | Mark |
| Bradley Cooper | | Jon Peters |
| James Kelley | | Tim |
| Emma Dumont | | Brenda |
| Skyler Gisondo | | Actor |
| Tom Waits | | Rex Blau |
| Maya Rudolph | | Gale |
| Dexter Demme | | Cherry Bomb Kid / Fat Bernie's Pinball Crowd |
| John C. Reilly | | Fred Gwynne / Herman Munster |
| Sean Penn | | Jack Holden |
| River Cornwell | | Cherry Bomb Kid |
| Mary Elizabeth Ellis | | Momma Anita |
| Harrison Bray | | Cherry Bomb Kid |
| Benny Safdie | | Joel Wachs |
| Sasha Spielberg | | Tiny Toes Girl |
| Joseph Cross | | Matthew |
| Karissa Reynafarje | | Tiny Toes Girl |
| Emily Althaus | | Kiki Page |
| Savannah Ioakimedes | | Tiny Toes Girl |
| Dorie Samovitz | | Tiny Toes Girl |
| Anna Cordell | | Tiny Toes Girl |
| Anthony Molinari | | Cop 2 |
| Adam Somner | | Tiny Toes Photographer |
| Charlotte Townsend | | Fairgoer #3 |
| Joshua Carl Allen | | Tiny Toes Photographer |
| Patrick Hoelck | | Tiny Toes Photographer |
| Collin Sutton | | Tiny Toes Photographer |
| Lucia Angarola | | Grant High School Student |
| Lola Brown | | Grant High School Student |
| Nancy Cornwell | | Grant High School Student |
| Harry Fincher | | Grant High School Student |
| Laura Gary | | Grant High School Student |
| Julie Goldklang | | Grant High School Student |
| Ava Gosselaar | | Grant High School Student |
| Lila Kay | | Grant High School Student |
| Lucy Lopez | | Grant High School Student |
| Zoe Novak | | Grant High School Student |
| Van Rich-Takayama | | Grant High School Student |
| Isaac Soren | | Grant High School Student |
| Milo Herschlag | | Greg |
| Phil Bray | | Don the Bartender |
| Patrick Aranda | | Tail o' the Cock Pianist |
| Moti Haim | | Moti |
| Donna Haim | | Donna |
| Este Haim | | Este |
| Danielle Haim | | Danielle |
| John Michael Higgins | | Jerry Frick |
| Yumi Mizui | | Mioko |