There has been more than one movie not directed by a cast member; in fact 7 out of 12 are not directed by cast members.
Below is a list of the twelve films and their directors, the cast members acting as directors are in bold.
Star Trek: The Motion Picture (1979) directed by Robert Wise
Star Trek II The Wrath of Khan (1982) directed by Nicholas Meyer
Star Trek III The Search for Spock (1984) directed by Leonard Nimoy
Star Trek IV The Voyage Home (1986) directed by Leonard Nimoy
Star Trek V The Final Frontier (1989) directed by William Shatner
Star Trek VI The Undiscovered Country (1991) directed by Nicholas Meyer
Star Trek: Generations (1994) directed by David Carson
Star Trek: First Contact (1996) directed by Jonathan Frakes
Star Trek: Insurrection (1998) directed by Jonathan Frakes
Star Trek: Nemesis (2002) directed by Stuart Baird
Star Trek (2009) directed by JJ Abrams
Star Trek Into Darkness (2013) directed by JJ Abrams
Episode V The Empire Strikes Back
The Raven
James Cameron
Titanic was written by James Cameron, who also directed and produced the film.
James Cameron directed Titanic. He also directed Avatar, which became the highest-grossing film of all time (Titanic previously held this title). Other films by Cameron include Aliens and The Terminator.
The last movie before Avatar that James Cameron produced and directed was the 2005 film Aliens of the Deep.
His top 2 famous films are Avatar and Titanic
James Cameron
There have been many films that have not been directed by James Cameron as he is also an accomplished screen writer. The last film that he wrote a screenplay for but did not direct was the 1995 film "Strange Days" which was directed by Kathryn Bigelow. Since 1995, every film written by Cameron has also had a directing credit.
Titanic
Titanic was written by James Cameron, who also directed and produced the film.
James Cameron directed Titanic. He also directed Avatar, which became the highest-grossing film of all time (Titanic previously held this title). Other films by Cameron include Aliens and The Terminator.
Some of his most famous ones include: Avatar, The titanic and The Abyss. For a full list look at wikipedia
The 1986 film 'Aliens' was directed by James Cameron. He also directed Terminator 1 + 2, The Abyss, True Lies, Titanic and Avatar.
The last movie before Avatar that James Cameron produced and directed was the 2005 film Aliens of the Deep.
avitar was directed by James Cameron abys,terminator,titanic.
His top 2 famous films are Avatar and Titanic
James Cameron wrote and directed the film. It was made in 1997.
The film "Alien" that cam out in 1979 and received the Academy Award for Best Visual Affects. It was a science fiction horror film and was directed by Ridley Scott.