Arnold Schwarzenegger was in a science-fiction film.
Arnold Schwarzenegger . His breakthrough film was the sword-and-sorcery epic Conan the Barbarian in 1982 , a box office hit that resulted in a sequel . In 1984 , Schwarzenegger appeared in James Cameron 's science-fiction thriller film The Terminator , a critical and commercial success . The Terminator is a 1984 American science-fiction action film directed by James Cameron .