· Germany · 1913 0 Ein Schwur ✓ Seen + Watchlist ↗ Share No poster Director Cast Viggo Larsen as Wanda Treumann as Rudolf del Zopp as Luise del Zopp as Crew Rudolf del Zopp — Screenplay Luise del Zopp — Screenplay Synopsis Key Collaborators Rudolf del Zopp Screenplay Luise del Zopp Screenplay Follow the Thread Agent-readable