An American tourist, a youth gang leader, and his troubled sister find themselves trapped in a top secret government facility experimenting on children.
as Simon Wells
as Joan
as Freya Neilson
as Bernard
as King
as Major Holland
as Captain Gregory
as Ted
as Sid
as Mr. Dingle
as Miss Lamont
as Mr. Stuart
as Mr. Talbot
as Victoria
as Elizabeth
as Anne
as Mary
as Richard (as Nicolas Clay)
as Henry
as William
as George
as Charles
as Control Room Guard (uncredited)
as Teddy Boy (uncredited)
as (uncredited)