 | Miles Teller als Andrew Neiman |
 | J.K. Simmons als Terence Fletcher |
 | Paul Reiser als Jim Neiman |
 | Melissa Benoist als Nicole |
 | Austin Stowell als Ryan Connolly |
 | Chris Mulkey als Uncle Frank |
 | Nate Lang als Carl Tanner |
 | Charlie Ian als Dustin |
 | Jayson Blair als Travis |
 | Kavita Patil als Sophie |
 | Damon Gupton als Mr. Kramer |
 | Suanne Spoke als Aunt Emma |
 | Max Kasch als Dorm Neighbor |
 | Kofi Siriboe als Bassist (Nassau) |
 | C.J. Vana als Metz |
 | Tarik Lowe als Pianist (Studio Band) |
 | Tyler Kimball als Saxophonist #2 (Studio Band) |
 | Rogelio Douglas Jr. als Trumpeter #1 (Studio Band) |
 | Adrian Burks als Trumpeter #2 (Studio Band) |
 | Joseph Bruno als Technician (Overbrook) - Mike |
 | Michael D. Cohen als Stage Hand (Overbrook) |
 | Jocelyn Ayanna als Passerby (Bus Station) |
 | Keenan Henson als Truck Driver |
 | Janet Hoskins als Passerby (Dunellen) |
 | April Grace als Rachel Bornholdt |
 | Clifton 'Fou Fou' Eddie als Drummer (Quartet) |
 | Calvin C. Winbush als Saxophonist |
 | Marcus Henderson als Bassist (JVC) |
 | Tony Baker als Stage Hand (Carnegie Hall) |
 | Henry G. Sanders als Red Henderson |
| Sam Campisi als Andrew (8 years old) |
| Jimmie Kirkpatrick als Nassau Trumpeter #2 |
 | Keenan Allen als Studio Core Member #1 |
| Ayinde Vaughan als Studio Core Member #2 |
| Shai Golan als Studio Core Member #3 |
| Yancey Wells als Studio Core Member #4 |
| Candace Roberge als Student #1 |
| Krista Kilber als Student #2 |
| Stephen Hsu als JVC Guitarist (uncredited) |
 | Herman Johansen als Music Competition Judge (uncredited) |
 | Wendee Lee als Audience Member (uncredited) |
 | Joseph Oliveira als Bartender (uncredited) |
 | Michelle Ruff als Audience Member (uncredited) |
| Daniel Weidlein als Studio Band Saxophone Player (uncredited) |
| Jasmine McGlade | Thanks |
| David Lancaster | Producer |
| Helen Estabrook | Producer |
| Sharone Meir | Director of Photography |
| Damien Chazelle | Director |
| Tom Cross | Editor |
| Jason Blum | Producer |
| Michel Litvak | Producer |
| Mark Riccardi | Stunt Coordinator |
| Justin Hurwitz | Original Music Composer |
| Terri Taylor | Casting |
| Hunter Brown | Art Direction |
| Lisa Norcia | Costume Design |
| Melanie Jones | Production Design |
| Karuna Karmarkar | Set Decoration |
| Andy Ross | Music Supervisor |
| Mark David Katchur | Line Producer |
| Sarah Domeier Lindo | Casting Associate |
| Gary Michael Walters | Executive Producer |
| Daniel C. McFadden | Still Photographer |
| Phillip Dawe | Associate Producer |
| Richard Henderson | Music Editor |
| Jason Reitman | Executive Producer |
| Jeanette Volturno | Executive Producer |
| Tracy Scott | Script Supervisor |
| Traci E. Smithe | Hair Department Head |
| Couper Samuelson | Executive Producer |
| Nacoma Whobrey | Makeup Department Head |
| David Larson | Key Hair Stylist |
| Elan Yaari | Gaffer |
| Zak Faust | Art Department Coordinator |
| Grant Miller | Visual Effects Supervisor |
| Craig Mann | Sound Re-Recording Mixer |
| Zak Knight | Special Effects Coordinator |
| Chris Squires | Steadicam Operator |
| Ben Wilkins | Sound Re-Recording Mixer |
| Mike Will | Digital Intermediate |
| Eric Leach | Camera Operator |
| Vahe Giragol | Digital Intermediate |
| Craig Mann | Supervising Sound Editor |
| Lauren Hadaway | Sound Editor |
| John To | First Assistant Editor |
| Ben Wilkins | Supervising Sound Editor |
| David Lebensfeld | Visual Effects Supervisor |
| Drew Rebelein | Construction Coordinator |
| Jamison Scott Goei | Visual Effects Supervisor |
| Steve Hernandez | Digital Intermediate |
| Stephanie Wilcox | Co-Producer |
| Nicholas Britell | Co-Producer |
| Steven Stone | Stunts |
| James G. Brill | Transportation Coordinator |
| Chester E. Tripp III | Stunts |
| Heather Plott | Makeup Artist |
| Brady Romberg | Stunts |
| John Yarbrough | Transportation Captain |
| Garrick Dion | Co-Producer |
| Kevin Patrick Burke | Stunts |
| Kandice Billingsley | Location Manager |
| Jeffrey Stott | Executive In Charge Of Production |
| Nicolas Harvard | First Assistant Director |
| Alicia Hadaway | Foley Artist |
| Thomas Curley | Production Sound Mixer |
| Joe Schiff | Dialogue Editor |
| Dawn Fintor | Foley Artist |
| Barbara Harris | ADR Voice Casting |
| Tim Dodge | Set Dresser |
| Chris Maxson | Set Dresser |
| Damien Chazelle | Writer |
