Peter Hamel
Peter Hamel( 1911–1979) was a German screenwriter and a director of film and television.
He appeared as himself in the 1948 comedy" Film Without a Title".
He is the father of the composer Peter Michael Hamel.
Oskar Roehler
Oskar Roehler (born 21 January 1959) is a German film director, screenwriter and journalist.
He was born in Starnberg as the son of writer Gisela Elsner and the writer Klaus Roehler.
Since the mid-1980s he has been working as a screenwriter, for, among others, Niklaus Schilling, Christoph Schlingensief and Mark Schlichter.
Since the early 1990s he has also been working as a film director.
For his film No Place to Go he won the Deutscher Filmpreis.
His 2010 film  was nominated for the Golden Bear at the 60th Berlin International Film Festival.
Angst (2003 film)
Angst  is a 2003 German drama film directed by Oskar Roehler, starring André Hennicke, Marie Bäumer and Vadim Glowna.
It follows a stage director who goes through a personal crisis.
Gerald Kargl
Gerald Kargl( born 1953, Villach) is an Austrian film director most famous for directing the 1983 film" Angst".
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Paul Brooke
Paul Brooke( born 22 November 1944) is a retired English actor of film, television and radio.
He is the father of actor Tom Brooke.
Yasuichi Oshima
He is the father of manga artist Towa Oshima.
Inoue Masaru (bureaucrat)
Viscount was the first Director of Railways in Japan and is known as the" father of the Japanese railways".
Obata Toramori
He was the father of Obata Masamori.
Lars Eliasson
He is the father of the later Member of Parliament Anna Eliasson.

Question: Who is the father of the director of film Angst (2003 Film)?