William: Cast
Maria Dizzia
Dr. Sullivan
Will Brittain
William
Waleed Zuaiter
Dr. Reed
Susan Park
Sarah
Beth Grant
Dr. Thomas
Paul Guilfoyle
President Clayborn
Jerry Wasserman
Chairman Douglass
Ted Cole
Ted
David Nykl
Principal Bernstein
Noel Johansen
Dr. Winslow
Callum Seagram Airlie
William, age 10
Christian Convery
William, age 5
Diana Pavlovská
Darlene
Gaalen Engen
Dr. Rowley
Dee Jay Jackson
Officer Jerry
Krystle Dos Santos
Stephanie
Finn Haney
Marcus
Kevin Dzah
Moosh
Ellie Harvie
Vice President Becker