Carey Mulligan
as Felicia Montealegre

Bradley Cooper
as Leonard Bernstein

Matt Bomer
as David Oppenheim

Vincenzo Amato
as Bruno Zirato

Greg Hildreth
as Isaac

Michael Urie
as Jerry Robbins

Brian Klugman
as Aaron Copeland

Nick Blaemire
as Adolph Green

Mallory Portnoy
as Betty Comden

Alexandra Santini
as Claudio's Guest #1

Jarrod LaBine
as Claudio's Guest #2

Sarah Silverman
as Shirley Bernstein

Kate Eastman
as Ellen Adler

William Hill
as Joseph the Janitor

Valéry Lessard
as Younger Actress

Renée Stork
as Older Actress

Tim Rogan
as Richard Hart

Sara Sanderson
as Lil Hart

Yasen Peyankov
as Serge Koussevitzky

Julia Aku
as Olga

Benjamin Freemantle
as Sailor

Harrison Coll
as Sailor

Sebastian Villarini-Velez
as Sailor

Dario Natarelli
as Sailor

Ryan Steele
as Sailor

Ricky Ubeda
as Sailor

Carlos Sánchez Falú
as Bartender

Jeanette Delgado
as Fancy Free Woman

Sara Esty
as Fancy Free Woman

Ahmad Simmons
as NYC Pedestrian Man Dancer

Kyle Coffman
as NYC Pedestrian Man Dancer

Byron Tittle
as NYC Pedestrian Man Dancer

Yesenia Ayala
as NYC Pedestrian Woman Dancer

Skye Mattox
as NYC Pedestrian Woman Dancer

Halli Toland
as NYC Pedestrian Woman Dancer

Leigh-Ann Esty
as NYC Pedestrian Woman Dancer

Gaby Diaz
as NYC Pedestrian Woman Dancer

Tanairi Sade Vazquez
as NYC Pedestrian Woman Dancer

Lea Cooper
as Little Jamie

Soledad Campos
as Julia Vega

Zachary Booth
as Mendy Wager

Miriam Shor
as Cynthia O'Neal

Maya Hawke
as Jamie Bernstein

Scott Ellis
as Harry Kraut

James Cusati-Moyer
as Georgie

John Kroft
as Young Man

Scott Drummond
as Scott

Gideon Glick
as Tommy Cothran

Josh Hamilton
as John Gruen

June Gable
as Old Lady

Sam Nivola
as Alexander Bernstein

Alexa Swinton
as Nina Bernstein

Mike Mitarotondo
as Bellhop

Colin Anderson
as Stage Manager

Kevin Thompson
as Director

Rosa Feola
as Ely Soloist #1

Isabel Leonard
as Ely Soloist #2

Miller Bugliari
as Miller

Atika Greene
as Nurse

Bernard Kruger
as Dr. Kruger

Gabe Fazio
as Willard the Assistant

Jordan Dobson
as William

Oscar Pavlo
as Claudio Arrau (uncredited)

Booch O'Connell
as Keg Girl (uncredited)