The Iron Cross
The Iron Cross  is a 1914 German silent film directed by Richard Oswald and starring Friedrich Kühne, Hedda Vernon and Hanni Weisse.
It marked the directorial debut of Oswald.
It was shot at the Tempelhof Studios.
Heinz Kemethmüller
Heinz Kemethmüller( 26 June 1914 – 20 February 1984) was a Luftwaffe ace and recipient of the Knight's Cross of the Iron Cross during World War II.
The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership.
Rolf Pingel
Rolf Pingel (1 October 1913 – 4 April 2000) was a Luftwaffe ace and recipient of the Knight's Cross of the Iron Cross during World War II.
The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership.
Felix Becker (officer)
Felix Becker( 8 November 1893, Arensdorf, East Prussia – 29 December 1979, Göttingen, Lower Saxony) was a German officer of the Second World War.
His final rank was oberst and he commanded Grenadier- Regiment 418, part of 281st Security Division.
He was awarded the Iron Cross 2nd Class, Iron Cross 1st Class and on 25 January 1943 the Knight's Cross of the Iron Cross.
Karl Kempf
Karl-Heinz Kempf (2 February 1920 – 3 September 1944) was a Luftwaffe fighter ace and recipient of the Knight's Cross of the Iron Cross during World War II.
The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership.
Karl Willius
Karl" Charly" Willius( 5 November 1919 – 8 April 1944) was a Luftwaffe ace and recipient of the Knight's Cross of the Iron Cross during World War II.
The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership.
Horst Carganico
Horst Carganico( 27 September 1917 – 27 May 1944) was a Luftwaffe ace and recipient of the Knight's Cross of the Iron Cross during World War II.
The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership.
Wilhelm Mink (pilot)
Wilhelm Mink( 29 April 1912 – 12 March 1945) was a Luftwaffe ace and recipient of the Knight's Cross of the Iron Cross during World War II.
The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership.
Walter Matoni
Walter Matoni( 27 June 1917 – 26 June 1988) was a Luftwaffe ace and recipient of the Knight's Cross of the Iron Cross during World War II.
The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership.
Richard Oswald
Richard Oswald (5 November 1880 – 11 September 1963) was an Austrian director, producer, and screenwriter.

Question: What nationality is the director of film The Iron Cross?
Answer: Austrian