The Case of Colonel Redl
Directed by	Karl Anton
Written by	Alfred Schirokauer Benno Vigny
Based on	The Case of Colonel Redl by Egon Erwin Kisch
Produced by	Josef Stein
Starring	Theodor Loos Lil Dagover Otto Hartmann
Cinematography	Eduard Hoesch Václav Vích
Music by	Willy Engel-Berger
Production companies	Elektafilm Sonor Film
Distributed by	Süd-Film
Release date	27 February 1931 (1931-02-27)
Running time	82 minutes
Country	Czechoslovakia
Language	German

The Case of Colonel Redl (German: Der Fall des Generalstabs-Oberst Redl) is a 1931 Czechoslovak spy drama film directed by Karl Anton in German language. It stars Theodor Loos, Lil Dagover and Otto Hartmann. It was a co-production between the Prague-based companies Elektafilm and Sonor Film. A separate Czech-language version The Affair of Colonel Redl was also shot at the same time.^[1] It was based on a 1924 book of the same title by Egon Erwin Kisch, detailing the story of Alfred Redl.

In the years leading up to the First World War, Colonel Redl of the Austrian army acts as a double agent for enemy powers.

• Theodor Loos as Oberst Alfred Redl
• Lil Dagover as Vera Nikolayevna
• Otto Hartmann as Stephan Dolan, Ulanenleutnant
• Friedrich Hölzlin as Marchenko
• Alexander Murski as Daragaieff, Russian spy
• Werner Jansch as Chief of Russian spy service in Petersburg
• Michael von Newlinsky as Russian ambassador in Vienna
• Willy Bauer as General Conrad von Hoetzendorf
• Magnus Stifter as Colonel Umanizky, Head of the Evidence Office in Vienna
• Hans Götz as The Archduke
• Dr. Weinmann as Prague Corps Commander
• Philipp Veit as Police president in Vienna
• Leo Dudek as First Detective
• Rudolf Stadler as Second Detective
• Truda Grosslichtová as Franzi
• Luigi Bernauer as Cabaret singer in 'Trocadero'

• Von Dassanowsky, Robert. Screening Transcendence: Film Under Austrofascism and the Hollywood Hope, 1933-1938. Indiana University Press, 2018

• The Case of Colonel Redl at IMDb