Secret Venture. (1955 film).

Renowned scientist Professor Henrik returns to England from a working trip overseas and is met by his glamorous secretary Joan.

Kent Taylor as Ted O'Hara
Jane Hylton as Joan Butler
Kathleen Byron as Renée l'Epinal
Karel Štěpánek as Zelinsky
Frederick Valk as Otto Weber
Maurice Kaufmann as Dan Fleming
Martin Boddey as Squire Marlowe
Arthur Lane as Bob Hendon
Hugo Schuster as Professor Henrik
John Boxer as Inspector Dalton
Michael Ripper as Bill Rymer

Directed by R. G. Springsteen