Die Abenteurer G.m.b.H. (English translation of the title: The Adventures Inc.) is a German silent film adaptation of the novel The Secret Adversary, made in 1929. Directed by Fred Sauer and adapted by Jane Bess.
- Carlo Aldini as Pierre Lafitte
- Hilda Bayley as Rita van den Meer
- Eve Gray as Lucienne Fereoni
- Eberhard Leithoff as George Finné
- Elfriede Borodin as Jeanette Finné - seine Schwester/his sister
- Shayle Gardner as Julius Vardier - Staatssekretär des Innern
- Hans Mierendorff as Marglin - Chef des Geheimdienstes
- John Mylong (as Jack Mylong-Münz) as Boris
- Valy Arnheim as Wittington
- Mikhail Rasumny
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