Are both Charles Shyer and Christopher Nolan film directors?
Christopher Nolan Christopher Edward Nolan ( ; born 30 July 1970) is an English-American film director, producer, and screenwriter. He is one of the highest-grossing directors in history, and among the most successful and acclaimed filmmakers of the 21st century.
Philip Sayer Philip Sayer (26 October 1946 – 19 September 1989) was a British actor. He worked for stage, film and television; and was probably best known for his role as Sam Phillips in the science-fiction horror film "Xtro" (1983).