Miles Teller
Andrew Neiman
J.K. Simmons
Terence Fletcher
Paul Reiser
Jim Neiman
Melissa Benoist
Nicole
Austin Stowell
Ryan Connolly
Chris Mulkey
Uncle Frank
Nate Lang
Carl Tanner
Charlie Ian
Dustin
Jayson Blair
Travis
Kavita Patil
Sophie
Damon Gupton
Mr. Kramer
Suanne Spoke
Aunt Emma
Max Kasch
Dorm Neighbor
Kofi Siriboe
Bassist (Nassau)
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)
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)
Calvin C. Winbush
Saxophonist
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
Stephen Hsu
JVC Guitarist (uncredited)
Herman Johansen
Music Competition Judge (uncredited)
Wendee Lee
Audience Member (uncredited)
Joseph Oliveira
Bartender (uncredited)
Michelle Ruff
Audience Member (uncredited)
Daniel Weidlein
Studio Band Saxophone Player (uncredited)