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