Steve Freeling
Diane Freeling (as Jobeth Williams)
Dr. Lesh
Dana Freeling
Robbie Freeling
Carol Anne Freeling
Ben Tuthill
Mrs. Tuthill
Marty
Ryan
Tangina
Mr. Teague
Pugsley (as Lou Perry)
Bulldozer Driver (as Clair Leucart)
Jeff Shaw
Neighbor
Neighbor (as Joseph R. Walsh)
Woman Buyer
Husband
Pool Worker #1
Pool Worker #2
Implosion Man
Football Announcer (voice) (as Phil Stone - NBC Sports)
Special Child
Neighbor (uncredited)
Mover (uncredited)
Panicked Neighbor (uncredited)
Ghost (uncredited)
Screaming Soldier on TV (archive sound) (uncredited)