Oakes Fegley

Character: Ben

Millicent Simmonds

Character: Rose

Julianne Moore

Character: Lillian Mayhew / Rose

Michelle Williams

Character: Elaine

Cory Michael Smith

Character: Walter

James Urbaniak

Character: Dr. Kincaid, Rose's Father

Damian Young

Character: Otto, Museum Guard

Patrick Murney

Character: Workman

Lauren Ridloff

Character: Pearl, The Maid

Anthony Natale

Character: Dr. Gill, Teacher of the Deaf

Carole Addabbo

Character: Miss Conrad at the Museum

Howard Seago

Character: Remy Rubin, Theater Director

Brian Berrebbi

Character: Stage Manager

John P. McGinty

Character: Valentin

Mark A. Keeton

Character: Shopkeeper

Patrick Wiley

Character: Window Dresser

Garrett Zuercher

Character: Officer Engel

Jared Johnston

Character: Officer Murtha

Murphy Guyer

Character: Security Chief

Ekaterina Samsonov

Character: Hannah

Sawyer Niehaus

Character: Blessing

Lilianne Rojek

Character: Florence

Michael W. Gaines

Character: Butler

Jaden Michael

Character: Jamie

Tom Noonan

Character: Walter

Morgan Turner

Character: Janet

Amy Hargreaves

Character: Aunt Jenny

Sawyer Nunes

Character: Robbie

Raul Torres

Character: Jamie's Father

Mandela Bellamy

Character: Woman on Bus

Jim Lavin

Character: ER Doctor

Colleen Cosgrove

Character: ER Nurse

Hays Wellford

Character: Greg Coons at the Bus Stop

Asa Liebmann

Character: Thief

John Boyd

Character: Danny

Oladamolami Adisa

Character: Signing Hands

Mylo Barrett

Character: Signing Hands

Robinho Cruz

Character: Signing Hands

Vanessa DeLeon

Character: Signing Hands

Jordana Lurman

Character: Signing Hands

Tom Waters

Character: 1970's Business Man (uncredited)

Connor Moeller

Character: Museum Boy (uncredited)

Mackenzie Grace Castle

Character: Museum Girl (uncredited)

Derek Chadwick

Character: Liam (uncredited)

Logan Taylor

Character: Promenade Child / Museum Child (uncredited)