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)