Usina de Monstros

Philipp Baird

Lab Assistant

John Rae

E. J. Macleod

Tom Chatto

Vincent Broadhead, M.P.

Michael Ripper

Sgt. Harry Grimsdyke

Betty Impey

Kelly

Brian Donlevy

Barshee

Sidney James

Johnson - TV Advertiser

John Van Eyssen

The Plant Tour Guide

Edwin Richfield

The Sheriff's Lieutenant

Bryan Forbes

Cohn

Percy Herbert

Grogan

Charles Lloyd Pack

Vicar

Joyce Adams

Woman Member of Parliament

John Longden

Chief Inspector Lomax

William Franklyn

Dr. Tom Brand