The Invisible Man’s grandson must use his family’s secret formula to spy on Nazi Germany! The Universal horror series gets updated for wartime propaganda by adding action, adventure & espionage. John Hall plays the titular Invisible Agent, behind enemy lines during WWII with a beautiful secret agent (Ilona Massey) by his side while on a desperate hunt for a list of German & Japanese spies hiding in the USA. Featuring excellent, Oscar-nominated special effects!