John Legend Keith, Executive Producer
Ryan Gosling Sebastian
Callie Hernandez Tracy
Emma Stone Mia
Damien Chazelle Writer, Lyricist, Director
J.K. Simmons Bill
Tom Everett Scott David
Jessica Rothe Alexis
Josh Pence Josh
Barbara Lorenz Hair Department Head
Justin Paul Songs, Lyricist
Kevin Cross Set Designer
Benj Pasek Songs, Lyricist
Sonoya Mizuno Caitlin
Hemky Madera Jimmy
David Castillo Stunts
Finn Wittrock Greg Earnest
Cameron Brinkman Jazz Club Patron (uncredited)
Jessica Rotter Singer (uncredited)
Renee Treyball Loader
Danny Downey Stunts
Kristin Slaysman Coffee Shop Customer (uncredited)
Marius de Vries Clyde, Executive Music Producer
Daniel Galindo Score Engineer
Rosemarie DeWitt Laura
Chris Weigand Lighting Technician
Jeremy Hays Special Effects Coordinator
Asiel Hardison Hollywood Party Dancer - Agent #1
Tiffany Daniels Traffic Dancer
Jenna Curtis Waitress (uncredited)
Chris Moss Traffic Dancer
Scott Hislop Hollywood Party Dancer - Creepy Guy
Angelo Vacco Acting Double
Dominique Domingo Hollywood Party Dancer - Girl #2
Mandy Moore Choreographer
Mario Diaz Restaurant Dancer
Jed Dornoff Makeup Artist
Sybil Azur Epilogue Dancer
Kimi Rosenthal Post Production Supervisor
Meagen Fay Mrs. Dolan
Luis Galdames Sound Effects Editor
Michael Kaleta Other
Allan Padelford Stunts
Natasha Leonnet Digital Intermediate
Miles Anderson Alistair
Edward J. Protiva Leadman
Timothy Scott Ralston Executive In Charge Of Post Production
Charles Croughwell Stunt Coordinator
Damon Gupton Harry
Britt Stewart Traffic Dancer
Olivia Hamilton Bree
Marc Platt Producer
Deborah Aquila Casting
David Agajanian Set Dressing Artist
Noah James Young Man (uncredited)
Kiff VandenHeuvel New Coffee Shop Manager
Mark Kubr Stunt Coordinator
Candice Coke Traffic Dancer - Girl #2
Jason Fuchs Carlo
Dempsey Pappion Charles
Anthony Marciona Epilogue Dancer
Troy N. Wade Grip
Geoffrey Mandel Other
John Youngblood Assistant Property Master
Melinda Sullivan Traffic Dancer
David Douglas Ty
Peter Kohn Assistant Director
Lee Gilmore Sound Effects Editor
Bobo Chang Photographer's Assistant
Scott Trimble Location Scout
Andy Nelson Sound Re-Recording Mixer
Frederick Keeve Restaurant Patron (uncredited)