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Nate Lang as Carl Tanner | Charlie Ian as Dustin | Kavita Patil as Sophie | Damon Gupton as Mr. Kramer | Suanne Spoke as Aunt Emma | Max Kasch as Dorm Neighbor | Kofi Siriboe as Bassist (Nassau) | C.J. Vana as Metz | Tarik Lowe as Pianist (Studio Band) | Tyler Kimball as Saxophonist #2 (Studio Band) | Rogelio Douglas Jr. as Trumpeter #1 (Studio Band) | Adrian Burks as Trumpeter #2 (Studio Band) | Joseph Bruno as Technician (Overbrook) - Mike | Michael D. Cohen as Stage Hand (Overbrook) | Jocelyn Ayanna as Passerby (Bus Station) | Keenan Henson as Truck Driver | Janet Hoskins as Passerby (Dunellen) | Clifton 'Fou Fou' Eddie as Drummer (Quartet) | Calvin C. Winbush as Saxophonist | Marcus Henderson as Bassist (JVC) | Tony Baker as Stage Hand (Carnegie Hall) | Henry G. Sanders as Red Henderson | Sam Campisi as Andrew (8 years old) | Jimmie Kirkpatrick as Nassau Trumpeter #2 | Keenan Allen as Studio Core Member #1 | Ayinde Vaughan as Studio Core Member #2 | Shai Golan as Studio Core Member #3 | Yancey Wells as Studio Core Member #4 | Candace Roberge as Student #1 | Krista Kilber as Student #2 | Stephen Hsu as JVC Guitarist (uncredited) | Herman Johansen as Music Competition Judge (uncredited) | Wendee Lee as Audience Member (uncredited) | Michelle Ruff as Audience Member (uncredited) | Executive Producer
 : Jason Reitman | 
Producer
 :
 David Lancaster | 
Producer
 :
 Michel Litvak | 
Executive Producer
 : Gary Michael Walters | 
Producer
 :
 Jason Blum | 
Director
 : Damien Chazelle | 
Executive Producer
 : Jeanette Volturno | 
Producer
 :
 Helen Estabrook | 
Executive Producer
 : Couper Samuelson | 
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