The Net

Michael Heathley

Lydia Heathley

Dr. Dennis Bord

Dr. Alex Leon

Maj. Sam Seagram

Brian Jackson

Sir Charles Craddock

Caroline Cartier

Prof. Carrington

Michael's Mother

George Jackson

Fisher

Inspector Carter

Agent Lawson

Dr. Ferguson

Maisie

Prof. Adams

General Adams (uncredited)

Sentry (uncredited)

Jim Barnes (uncredited)

Ted (uncredited)