Whiplash

Miles Teller

As Andrew

J.K. Simmons

As Fletcher

Paul Reiser

As Jim

Melissa Benoist

As Nicole

Austin Stowell

As Ryan

Nate Lang

As Carl

Chris Mulkey

As Uncle Frank

Damon Gupton

As Mr. Kramer

Suanne Spoke

As Aunt Emma

Max Kasch

As Dorm Neighbor

Charlie Ian

As Dustin

Jayson Blair

As Travis

Kofi Siriboe

As Bassist (Nassau)

Kavita Patil

As Assistant - Sophie

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)

Calvin C. Winbush

As Saxophonist (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)

April Grace

As Rachel Bornholdt

Clifton 'Fou Fou' Eddie

As Drummer (Quartet)

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

Joseph Oliveira

As Bartender (uncredited)