Ryan Gosling as Sebastian

Emma Stone as Mia

John Legend as Keith

Rosemarie DeWitt as Laura

J.K. Simmons as Bill

Amiée Conn as Famous Actress

Terry Walters as Linda

Thom Shelton as Coffee Spiller

Cinda Adams as Casting Director

Callie Hernandez as Tracy

Jessica Rothe as Alexis

Sonoya Mizuno as Caitlin

Claudine Claudio as Karen

Jason Fuchs as Carlo

D.A. Wallach as 80's singer

Trevor Lissauer as Valet

Olivia Hamilton as Bree

Anna Chazelle as Sarah / Hula Hooper

Marius de Vries as Clyde

Finn Wittrock as Greg Earnest

Josh Pence as Josh

Nicole Coulon as Josh's Fiance

Damon Gupton as Harry

Christopher Michael Stevens as Malcolm

Keith Harris as Cole

Kaveh Rastegar as Tom

David Douglas as Ty

Miles Anderson as Alistair

Bobo Chang as Photographer's Assistant

Meagen Fay as Mrs. Dolan

John Hindman as Frank

Valarie Rae Miller as Amy Brandt

Nicole Wolf as Amy Brandt's Assistant

Corrin Evans as New Barista

Kiff VandenHeuvel as New Coffee Shop Manager

Tom Everett Scott as David

Hemky Madera as Jimmy

Zoë Hall as Chelsea

Dempsey Pappion as Charles

Clifton 'Fou Fou' Eddie as Seb's Drummer

Cal Bennett as Seb's Sax Player

Nedra Wheeler as Seb's Bassist

Javier Gonzalez as Seb's Trumpeter

Khirye Tyler as Seb's Pianst

Briana Lee as Echo Backup Singer

Shaylah J. Stevens as Echo Backup Singer

Natalie Imani as Echo Backup Singer

Camryn Ray Cavaliero as Mia's Daughter

Sandra Rosko as Dream Audience

Arthur Horowitz as Fantasy Baby

Reshma Gajjar as Traffic Dancer - Girl #1

Candice Coke as Traffic Dancer - Girl #2

Hunter Hamilton as Traffic Dancer - 1st Man

Damian Gomez as Traffic Dancer - 2nd Man

Amanda Balen as Traffic Dancer - Conductor

Lou Becker as Traffic Dancer

Dominic Chaiduang as Traffic Dancer

Cindera Che as Traffic Dancer

Chris Moss as Traffic Dancer

Marissa Labog as Traffic Dancer

Tiffany Daniels as Traffic Dancer

Melinda Sullivan as Traffic Dancer

Stephanie Landwehr as Traffic Dancer

Britt Stewart as Traffic Dancer

Clarice Ordaz as Traffic Dancer

Nathan Prevost as Traffic Dancer

Mecca Vazie Andrews as Traffic Dancer

Scott Hislop as Hollywood Party Dancer - Creepy Guy

KC Monnie as Hollywood Party Dancer

Krystal Ellsworth as Hollywood Party Dancer

Sarah Mitchell as Hollywood Party Dancer

Khasan Brailsford as Hollywood Party Dancer

Morgan Larson as Hollywood Party Dancer

Becca Sweitzer as Restaurant Dancer

Gakenia Muigai as Restaurant Dancer

Michael Stein as Restaurant Dancer

Mario Diaz as Restaurant Dancer

Julie Schmid as Epilogue Dancer

Samantha Abrantes as Epilogue Dancer

Lexie Contursi as Epilogue Dancer

Eartha Robinson as Epilogue Dancer

Sybil Azur as Epilogue Dancer

Tara Nicole Hughes as Epilogue Dancer

Kayla Kalbfleisch as Epilogue Dancer

Martha Nichols as Epilogue Dancer

Anthony Marciona as Epilogue Dancer

Bill Prudich as Epilogue Dancer

Robert Roldan as Epilogue Dancer

Ryan Novak as Epilogue Dancer

Demian Boergadine as Epilogue Dancer

Gustavo Vargas as Epilogue Dancer

Robert Haynes as Angry Neighbor

Doran Butler as Traffic Dancer

Matt Cady as Traffic Dancer

Carol Connors as Traffic Dancer

Patrick Cook as Traffic Dancer

Aaron 'Deuce' Cooke as Traffic Dancer

Bubba Dean Rambo as Traffic Dancer

Nick Drago as Traffic Dancer

Shaun Evaristo as Traffic Dancer

Dana Fukagawa as Traffic Dancer

Daniel Gaymon as Traffic Dancer

Liz Imperio as Traffic Dancer

Casey Johansen as Traffic Dancer

Cris Judd as Traffic Dancer

Yoori Kim as Traffic Dancer

Bradley M. Rapier as Traffic Dancer

Dana Wilson as Traffic Dancer

Terrance Yates as Traffic Dancer

Tracy Shibata as Hollywood Party Dancer - Girl #1

Dominique Domingo as Hollywood Party Dancer - Girl #2

Asiel Hardison as Hollywood Party Dancer - Agent #1

Corey Anderson as Hollywood Party Dancer - Agent #2

Nick Baga as Hollywood Party Dancer - Agent #3

Leah Adler as Hollywood Party Dancer

Noel Bajandas as Hollywood Party Dancer

Denzel Chisolm as Hollywood Party Dancer

Montana Efaw as Hollywood Party Dancer

Natalie Gilmore as Hollywood Party Dancer

Shannon Holtzapffel as Hollywood Party Dancer

Galen Hooks as Hollywood Party Dancer

Jeremy Hudson as Hollywood Party Dancer

George Lawrence Jr. as Hollywood Party Dancer

Scott Myrick as Hollywood Party Dancer

Cassidy Noblett as Hollywood Party Dancer

Brittany Parks as Hollywood Party Dancer

Víctor Rojas as Hollywood Party Dancer

Tony Bellissimo as Echo Dancer

Ryan Ramirez as Echo Dancer

Catalina Cat Rendic as Echo Dancer

Bryan Tanaka as Echo Dancer

Ava Bernstine-Mitchell as Restaurant Dancer

Quinn Lipton as Restaurant Dancer

Monie Adamson as Epilogue Dancer

Matthew Aylward as Epilogue Dancer

McKenzie Anderson as Epilogue Dancer

Pamela Chu as Epilogue Dancer

Mallauri Esquibel as Epilogue Dancer

Michael Higgins as Epilogue Dancer

Chris Jarosz as Epilogue Dancer

Matthew Kazmierczak as Epilogue Dancer

Paul Kirkland as Epilogue Dancer

Megan Lawson as Epilogue Dancer

Michael Munday as Epilogue Dancer

Brandon O'Neal as Epilogue Dancer

Chelsea Thedinga as Epilogue Dancer

Danny Valle as Epilogue Dancer

Emily Williams as Epilogue Dancer

Tommy Cooley as Kissing Couple (uncredited)

Kristin Slaysman as Coffee Shop Customer (uncredited)

Ana Flavia Gavlak as Young Actress (uncredited)

Noah James as Young Man (uncredited)

Ottavio Taddei as Swing Dancer (uncredited)

Destinee Handly as Barista (uncredited)

Steffen Dziczek as Moviegoer (uncredited)

Vince Donvito as Coffee Guy (uncredited)

Patty Tobin as Casting Director (uncredited)

Crystal Nichol as Audition Actress (uncredited)

Kaye L. Morris as Producer's Girlfriend (uncredited)

Trent Kerpsack as Sailor (uncredited)

Holly Houk as Kissing Couple (uncredited)

Andrea Lareo as Casting Assistant (uncredited)

April Martucci as Audition Girl (uncredited)

Heather Turman as Young Man's Date (uncredited)

Jenna Curtis as Waitress (uncredited)

Jordan Ray Fox as Nathan (uncredited)

Anna Lunberry as Publicist (uncredited)

Christopher Aber as Cowboy (uncredited)

Margaret Newborn as Jazz Club Goer (uncredited)

C.J. Stussi as Espresso Coffee Shop Customer (uncredited)

Cameron Brinkman as Jazz Club Patron (uncredited)

Kristin Elliott as Audition Actress (uncredited)

Lynn Moore as Jazz Club Patron (uncredited)

Nilla Elizabeth Watkins as Coffee Shop Customer (uncredited)

Andres Perez-Molina as Coffee Shop Customer (uncredited)

Shannon Leann as Hollywood Starlet (uncredited)

Milica Govich as Coffee Shop Customer #2 (uncredited)

Frederick Keeve as Restaurant Patron (uncredited)

Amanda Fields as Red Head Actress (uncredited)

Hunter Clowdus as Lifeguard (uncredited)

Jessica Rotter as Singer (uncredited)