Sylvia of the Secret Service

During World War I, a group of German saboteurs plot to blow up an ammunition dump in New York City. A secret agent sets out to stop them.

Joseph H. Trant

No Language

United States of America

Irene Castle

Sylvia Carroll

J.H. Gilmour

Van Brunn

Elliott Dexter

Curtis Prescott

Suzanne Willa

Fay Walling

J.W. Percival

John W. Homing

Erich von Stroheim

Peter

Macey Harlam

(uncredited)

Antonio Moreno

(uncredited)