West of Shanghai
West of Shanghai is a 1937 American adventure film directed by John Farrow and starring Boris Karloff as a Chinese warlord.
It is based on the 1920 Porter Emerson Browne play" The Bad Man".
Three other films, all titled" The Bad Man", are also based on the same play:
Beauty and the Bad Man
Beauty and the Bad Man is a 1925 American silent western film directed by William Worthington and starring Mabel Ballin, Forrest Stanley and Russell Simpson.
Héctor Pellegrini
Héctor Pellegrini (6 August 1931 – 1 November 1999) was an Argentine film actor.
Pellegrini came to fame in the 1961 acclaimed film "Alias Gardelito" and made over 50 appearances mostly in film between 1961 and 1988.
Bad Man of Deadwood
Bad Man of Deadwood is a 1941 American film directed by Joseph Kane and starring Roy Rogers.
Alias the Doctor
Alias the Doctor is a 1932 pre-Code American drama film directed by Michael Curtiz.
Alias – the Bad Man
Alias – the Bad Man, also known as Alias Bad Man, is a 1931 Pre-Code American western film,directed by Phil Rosen and starring Ken Maynard, Virginia Brown Faire, and Frank Mayo.
It was released on July 15, 1931.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
The Local Bad Man
The Local Bad Man is a 1932 Pre- Code Western American film directed by Otto Brower.
Anisha Ambrose
Anisha Ambrose is an Indian film actress and model from Visakhapatnam.
In 2013, she made her acting debut in the Telugu film," Alias Janaki" produced by Neelima Tirumalasetti.
Phil Rosen
Philip E. Rosen (May 8, 1888 – October 22, 1951) was an American film director and cinematographer.
He directed 142 films between 1915 and 1949.
He was born in Marienburg, German Empire
(now, Malbork, Poland), grew up in Machias, Maine, and died in Hollywood, California of a heart attack.
He was one of the founders of the American Society of Cinematographers.
Rosen was married to model and actress Joyzelle Joyner.

Question: What is the cause of death of director of film Alias – The Bad Man?
Answer: heart attack