William Shatner
The actor who played Captain Kirk on Star Trek told the Montreal Gazette in 2010 that he believes the mathematics support that life is indeed out there in the universe. And there’s no doubt about it. But it makes sense since he spent so many years playing a captain who adamantly wanted to seek out new life and new civilizations.
Source
//montrealgazette.com/entertainment/william-shatners-warp-speed-travels-bring-him-to-montreal-comiccon