The Insurmountable (German: Der Unüberwindliche) is a 1928 German silent adventure film directed by Max Obal and starring Luciano Albertini, Vivian Gibson and Paul Henckels.^[1] It was shot at the Staaken Studios in Berlin. The film's sets were designed by the art directors Botho Hoefer and Hans Minzloff.

• Luciano Albertini as Silvio Spaventa
• Hilda Rosch as Rina Pera
• Paul Henckels as H. van Teen, Juwelier & Jim
• Vivian Gibson as Heloise
• Hermann Picha as Sunny, ein Faktotum
• Carl Geppert as Polizeirat Hellberg
• Alexander Sascha as Grand
• Harry Grunwald as Big
• Hans Wallner as Liska
• Robert Garrison as Farmer
• Grace Chiang as O-Nana-San
• Alfred Loretto as Polizeiwachtmeister Grigoleit
• Heinrich Gotho

• Bock, Hans-Michael & Bergfelder, Tim. The Concise Cinegraph: Encyclopaedia of German Cinema. Berghahn Books, 2009.

• The Insurmountable at IMDb