Miles Teller (Andrew), J.K. Simmons (Fletcher), Paul Reiser (Jim), Melissa Benoist (Nicole), Austin Stowell (Ryan), Nate Lang (Carl), Chris Mulkey (Uncle Frank) more..., Damon Gupton (Mr. Kramer), Suanne Spoke (Aunt Emma), Max Kasch (Dorm Neighbor), Charlie Ian (Dustin), Jayson Blair (Travis), Kofi Siriboe (Bassist (Nassau)), Kavita Patil (Assistant - Sophie), C.J. Vana (Metz), Tarik Lowe (Pianist (Studio Band)), Tyler Kimball (Saxophonist #2 (Studio Band)), Rogelio Douglas Jr. (Trumpeter #1 (Studio Band)), Adrian Burks (Trumpeter #2 (Studio Band)), Calvin C. Winbush (Saxophonist (Studio Band)), Joseph Bruno (Technician (Overbrook) - Mike), Michael D. Cohen (Stage Hand (Overbrook)), Jocelyn Ayanna (Passerby (Bus Station)), Keenan Henson (Truck Driver), Janet Hoskins (Passerby (Dunellen)), April Grace (Rachel Bornholdt), Clifton 'Fou Fou' Eddie (Drummer (Quartet)), Marcus Henderson (Bassist (JVC)), Tony Baker (Stage Hand (Carnegie Hall)), Henry G. Sanders (Red Henderson), Sam Campisi (Andrew (8 years old)), Jimmie Kirkpatrick (Nassau Trumpeter #2), Keenan Allen (Studio Core Member #1), Ayinde Vaughan (Studio Core Member #2), Shai Golan (Studio Core Member #3), Yancey Wells (Studio Core Member #4), Candace Roberge (Student #1), Krista Kilber (Student #2), Joseph Oliveira (Bartender (uncredited))

Sharone Meir (Director of Photography), Jason Blum (Producer), Helen Estabrook (Producer), David Lancaster (Producer), Michel Litvak (Producer), Lisa Norcia (Costume Design), Jason Reitman (Executive Producer) more..., Couper Samuelson (Executive Producer), Jeanette Volturno (Executive Producer), Gary Michael Walters (Executive Producer), Damien Chazelle (Writer), Terri Taylor (Casting), Melanie Jones (Production Design), Tom Cross (Editor), Justin Hurwitz (Original Music Composer), Andy Ross (Music Supervisor), Nicholas Britell (Co-Producer), Mark David Katchur (Unit Production Manager), Nicolas Harvard (First Assistant Director), Rachel Jensen (Second Assistant Director), Mark David Katchur (Line Producer), Garrick Dion (Co-Producer), Stephanie Wilcox (Co-Producer), Sarah Potts (Co-Producer), Phillip Dawe (Associate Producer), Mark Riccardi (Stunt Coordinator), Brady Romberg (Stunt Double), Kevin Patrick Burke (Stunt Double), Chester E. Tripp III (Stunt Double), Tamara Gagarin (Post Production Supervisor), Steven Stone (Stunts), Richard Henderson (Music Editor), John To (First Assistant Editor), Eugene Lok (Editorial Production Assistant), Chris Squires ("A" Camera Operator), Chris Squires (Steadicam Operator), Eric Leach ("B" Camera Operator), Rocker Meadows (First Assistant "A" Camera), Stephen Pazanti (First Assistant "B" Camera), Keith Rash (Second Assistant Camera) and others.