With Britain on the brink of war, an enemy spy plans to steal secret documents and lay the blame on Clive Stanton.
Geoffrey Toone
as Cmdr. Clive Stanton
Judy Kelly
as Cynthia Maybridge
Kenneth Kent
as Col. Suvaroff
Clifford Evans
as Lt. Peel
John Wood
as Sub. Lt. Wing Eden
Daphne Raglan
as Dora Maybridge
Edmund Breon
as Adm. Maybridge
Doris Hare
as Mrs. Maybridge
Marguerite Allan
as Anna Suvaroff
Leslie Perrins
as Briggs
Olga Lindo
as Mrs. Rance
Frank Fox
as François
