Hidden Enemy

Warren Hull

Bill MacGregor

Kay Linaker

Sonia Manning

Wilhelm von Brincken

Professor Werner

George Cleveland

John MacGregor

Fern Emmett

Aunt Mary

Edward Keane

Newspaper Editor

Willy Castello

Eric Bowman

John Sheehan

Marden

H

Herbert Corthell

Pete

V

Vince Rush

Gruen

Howard Bretherton

Director

T

T.R. Williams

Producer

C

Charles Williams

Writer

M

Marion Orth

Writer