What TV sci-fi star is a secret Tetris addict?

We don’t know who needs to hear this, but it needs to be said: It’s OK to want to play video games all of the time.

There, finally someone had the audacity to just say it. 

In fact, even if you’re famous, it’s OK to want to play video games all the time. And it might work even better if you’re famous for being on a popular sci-fi show. It’s always disappointing when you find out that someone who plays a character you love isn’t actually cool. But finding out they’re a Tetris addict? Now we have something in common.

Which star from a popular sci-fi show is actually a secret Tetris addict, and therefore cool?

Click START to answer.