Men from Scotland Yard and military intelligence build a dossier on a sabotage ring.
Liam Redmond
Cmdr. Robert Brennan
André Morell
Supt. Folland
Kenneth Griffith
Jimmy Ellis
Anthony Bushell
Maj. Elliott
Mary Morris
Anna Braun
Joan Hickson
Mrs. Ellis
Anthony Nicholls
Grant Mansfield
Geoffrey Keen
Morgan Williams
John Bailey
Stringer
Patric Doonan
George Ellis
