Mountains on Fire
Directed by	Karl Hartl Luis Trenker
Written by	Luis Trenker (novel) Karl Hartl
Produced by	Charles Delac Marcel Vandal
Starring	Luis Trenker Lissy Arna Luigi Serventi Claus Clausen
Cinematography	Sepp Allgeier Albert Benitz Giovanni Vitrotti
Edited by	Karl Hartl Marc Sorkin Ernst Fellner
Music by	Giuseppe Becce
Production company	Les Films Marcel Vandal et Charles Delac
Distributed by	Metropol-Filmverleih Globus-Film
Release date	28 September 1931 (1931-09-28)
Running time	109 minutes
Country	Germany
Language	German

Mountains on Fire (German: Berge in Flammen) is a 1931 German war film directed by Karl Hartl and Luis Trenker and starring Trenker, Lissy Arna and Luigi Serventi. The film was based on Luis Trenker's novel of the same title, partly based on his own experiences. Separate French and English-language productions were also made.

Synopsis

Shortly before the First World War, an Italian and an Austrian take part in a mountaineering expedition together. Not long afterwards they find themselves fighting on different sides.^[1] The plot also features references to the mines on the Italian front.

Cast

• Luis Trenker as Florian Dimai
• Lissy Arna as Pia, his wife
• Luigi Serventi as Arthur Franchini, his friend
• Claus Clausen as Leutnant (lieutenant) Kall
• Erika Dannhoff
• Paul Graetz
• Michael von Newlinsky
• Emmerich Albert as Tyrolean mountain guide
• Luis Gerold as Tyrolean mountain guide
• Hans Jamnig as Tyrolean mountain guide
• Hugo Lehner as Tyrolean mountain guide
• Roland von Rossi as Tyrolean mountain guide