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.
Cahill U.S. Marshal
Cahill U.S. Marshal is a 1973 American Western film in Technicolor starring John Wayne as a driven lawman in a black hat.
The film was directed by Andrew V. McLaglen and filmed on location in Durango, Mexico.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Cleomenes II
Cleomenes II( died 309 BC) was Agiad King of Sparta from 369 to 309 BC.
The son of Cleombrotus I, he succeeded his brother Agesipolis II.
He was the father of Acrotatus I, the father of Areus I, and of Cleonymus, the father of Leonidas II.
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.
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.
Yasuichi Oshima
He is the father of manga artist Towa Oshima.
Lars Eliasson
He is the father of the later Member of Parliament Anna Eliasson.
Andrew V. McLaglen
Andrew Victor McLaglen (July 28, 1920 – August 30, 2014) was a British-born American film and television director, known for
Westerns and adventure films, often starring John Wayne or James Stewart.

Question: Who is the father of the director of film Cahill U.S. Marshal?
Answer: Victor McLaglen