Lieutenant Daring, R.N. And the Plans of the Mine Fields

Percy Moran

Lieutenant Daring

Thomas Worthing

Arsene Leblanc - a Spy

Estelle Hopkins

Gabrielle Leblanc - Arsene's Wife

Charles Raymond

Leon Schumwasser

Dickie Thorpe

Marcella

E.H. Hotchkiss

Lt. E.H. Hotchkiss

Charles Austin

Charles Austin