Roland Toutain

Joseph Rouletabille

Léon Belières

Sainclair

Germaine Aussey

Sonia

Théa Dory

Amie de Rosy

Maurice Maillot

George K. George

Lisette Lanvin

Rosy Bathory

Abel Duroy

Hubner (as Duroy)

Léonce Corne

Commissaire Moreau (uncredited)

Sándor Góth

Bathory (uncredited)