'Spy blackmails commander's wife into stealing treaty.' (British Film Catalogue)
| Actor | Role |
|---|---|
| HHarry W. ScaddenCommander Scott-Neville | Commander Scott-Neville |
| BBlanche ForsytheMrs Scott-Neville | Mrs Scott-Neville |
 Fred PaulColonel von Harlan | Colonel von Harlan |
| DDoreen O'ConnorMary | Mary |