Director Ridley Scott says his favorite thing as a filmmaker is getting to scare his audience. The legendary filmmaker has made a number of iconic movies, including 'The Martian', 'Gladiator', 'American Gangster' and 'Blade Runner.' This year marks his return to the 'Alien' franchise with Alien: Covenant. Covenant premiered Thursday night in London. At the premiere, Scott said "I like making people laugh but scaring people, when it really works, is fun.