Meryl Streep as Roberta

Cloris Leachman as Assunta

Henry Dinhofer as Lexi at 5

Michael Angarano as Nick at 7

Robert Ari as Supervisor

Aidan Quinn as Brian

Teddy Coluca as Taxi Driver

Angela Bassett as Janet

Josh Pais as Dennis

Barbara Gonzalez as Janet's Secretary

Jade Yorker as DeSean at 11

Victoria Gómez as Lucy at 10

Justin Pierre Edmund as Bongo Kid

Justin 'DJ' Spaulding as Naeem at 9

Zoe Sternbach-Taubman as Guadalupe at 9

Christopher Lopez as Adam

Ruben Jared Seraballs as James

Lucy Nonas-Barnes as Becky

Rosalyn Coleman as Mrs. Adisa

Kevin Miller as Hall Boy

Hazel Medina as Alice

Gloria Estefan as Isabel

Iraida Polanco as Landlady

Asha Sapp as Tanisha

Betsy Aidem as Mrs. Lamb

Julie Janney as Flight Attendant

Cole Hawkins as Lawrence at 5

Arthur French as Ernie

Edmund Wilkinson as Sheetrock Man

French Napier as Painter

Socorro Santiago as Lucy's Mother

Dominic Walters as Justin

Jean-Luke Figueroa as Ramon

Sam Fox Royston as Leonard

Jane Leeves as Dorothea

Eva Loomis as Vanessa

Melay Araya as Rachel

Charlie Hofheimer as Nick at 17

Kieran Culkin as Lexi at 15

Asease Korankyi as Shandra

Myra Lucretia Taylor as Beverly

Olga Merediz as Ramon's Mother

Christian Berreondo as Ramon's Brother

Leilani Irvin as Myesha

Sophia Guaspari as Rosario

Adam LeFevre as Mr. Klein

Rafael John Alan Hines as Simon

Jordan Ware as Kenny

Amanda Muchnick as Stephanie

Ian Quinlan as Carlos

Naeem Jones as Toussaint

Jay O. Sanders as Dan Paxton

Mateo Gómez as Ramon's Father

Rosalyn Benniman as Woman at Opus Meeting

Leon Addison Brown as Mr. Adams

Arnold Steinhardt as Self

Scott Cumberbatch as Lawrence at 15

Majid R. Khaliq as Naeem Adisa at 19

Molly Gia Foresta as Guadalupe at 19

Cristina Gómez as Lucy at 20

Omari Toomer as DeSean at 21

Tarik Lowe as Teammate #1

Justin Daly as Teammate #2

Isaac Stern as Self

Isaiah Sheffer as Carnegie Hall Concert Director

Mark O'Connor as Self

Michael Tree as Self

Charles Veal Jr. as Self

Karen Briggs as Self

Itzhak Perlman as Self

Sandra Park as Self

Diane Monroe as Self

Joshua Bell as Self

Jonathan Feldman as Self

Dyllon Rogers as Horse Hair Boy

April Davis as First Grade Girl

Anibal Crooklyn Cuevas as Frog Hair Boy

Sam Deutsch as Violin Student

Lucy Little as Violin Student

Jose Miguel Rojas as Violin Student

Andrew Mayer as Violin Student

Rebecca Dinhofer as Violin Student

Christopher Katrandjian as Violin Student

Ama Korankyi as Violin Student

Chantilly Mariani as Violin Student

Thomas Martin as Violin Student

Derek Ambrosi as Audience Member (uncredited)

Ruth Barrie as Woman Shopper (uncredited)

David Chen as Parent (uncredited)

Gideon Jacobs as Headlock Boy (uncredited)

Emily Johnson as Mother of Student (uncredited)

Gabriella Loutfi as Violin Student (uncredited)

John P. McGinty as Naval Officer (uncredited)

Kirby Mitchell as New York Times Reporter (uncredited)

Sarallen as Old Woman in Tenement Building (uncredited)

Ronald Sylvers as Parent (uncredited)