All you have to do is answer a simple question!

Is there life on Mars?

This week's Hollywood release Life explores that question, thanks to a six-member space mission in the film. Directed by Daniel Espinosa, the film stars Ryan Reynolds and a host of other actors.

Before you catch the film in theatres on March 24, here is your chance to win movie tickets!

All you have to do is answer a simple question:

Which of these actors also stars in Life?