On a Greek island during the 1912 war, several people are trapped by quarantine for the plague. If that isn't enough worry, one of the people—a superstitious old peasant—suspects a young woman of being a vampiric demon.
Gen. Nikolas Pherides
Thea
Oliver Davis
Mary St. Aubyn
Madame Kyra
St. Aubyn
Albrecht
Dr. Drossos
Andrew Robbins (uncredited)
Col. Kobestes (uncredited)
Officer (uncredited)
Mary St. Aubyn (in long shot; uncredited)