Actors

Actor

Dr. John Holden

Actor

Joanna Harrington

Actor

Dr. Julian Karswell

Actor

Professor Henry Harrington

Actor

Mrs. Karswell

Actor

Professor Mark O'Brien

Actor

Mr. Meek

Actor

Lloyd Williamson

Actor

Professor K.T. Kumar

Actor

Mrs. Meek

Actor

Rand Hobart

Actor

Inspector Mottrarn

Actor

Detective Simmons

Actor

Superintendent

Actor

Chemist

Actor

Librarian

Actor

Mrs. Hobart

Actor

Farmer

Actor

Air Hostess

Actor

Hobart's Brother