Meg
Mrs. Which
Mrs. Whatsit
Mrs. Who
Calvin
Charles Wallace
Mr. Murry
Mrs. Murry
Happy Medium
Red
Principal Jenkins
Veronica Kiley
Camazotz Woman
The It (voice)
Elegant Man
Mrs. Teacher
Mr. Teacher
Calvin's Father
Air Force Officer
School Superintendent
Young Meg
Radio News Broadcaster (voice)
Student
Meg Double
Mrs. Who Double
Mrs. Which Double
Mrs. Whatsit Double
Charles Wallace Double
Baby Charles Wallace
Beach Tourist (uncredited)
Boy on Playground (uncredited)
Lifeguard (uncredited)
Veronica's Friend #2 (uncredited)
Bouncing Ball Kid (uncredited)
Beach Kid (uncredited)
Robber (uncredited)
Camazotz Woman (uncredited)
Veronica's Friend #1 (uncredited)
Middle School Teacher (uncredited)
International Scientist (uncredited)
Paper Girl (uncredited)
Swooning Girl (uncredited)
Boy Singer (uncredited)