Julianne Moore
Lillian Mayhew / Rose
Michelle Williams
Elaine
Anthony Natale
Dr. Gill, Teacher of the Deaf
James Urbaniak
Dr. Kincaid, Rose's Father
John Boyd
Danny
Amy Hargreaves
Aunt Jenny
Damian Young
Otto, Museum Guard
Tom Noonan
Walter
Murphy Guyer
Security Chief
Brian Berrebbi
Stage Manager
Patrick Murney
Workman
Morgan Turner
Janet
Cory Michael Smith
Walter
Hays Wellford
Greg Coons at the Bus Stop
Oakes Fegley
Ben
Jim Lavin
ER Doctor
Ekaterina Samsonov
Hannah
Jaden Michael
Jamie
Tom Waters
1970's Business Man (uncredited)
Connor Moeller
Museum Boy (uncredited)
Mackenzie Grace Castle
Museum Girl (uncredited)
Patrick Wiley
Window Dresser
Millicent Simmonds
Rose
Sawyer Nunes
Robbie
Raul Torres
Jamie's Father
John P. McGinty
Valentin
Derek Chadwick
Liam (uncredited)
Mandela Bellamy
Woman on Bus
Jared Johnston
Officer Murtha
Lauren Ridloff
Pearl, The Maid
Garrett Zuercher
Officer Engel
Sawyer Niehaus
Blessing
Carole Addabbo
Miss Conrad at the Museum
Logan Taylor
Promenade Child / Museum Child (uncredited)
Howard Seago
Remy Rubin, Theater Director
Oladamolami Adisa
Signing Hands
Mylo Barrett
Signing Hands
Robinho Cruz
Signing Hands
Vanessa DeLeon
Signing Hands
Jordana Lurman
Signing Hands