Approaching the Unknown is a 2016 American science fiction drama film written and directed by Mark Elijah Rosenberg in his feature debut. It stars Mark Strong in the lead role of Captain William Stanaforth, the first person on a lone mission to Mars. Luke Wilson and Sanaa Lathan are also featured in supporting roles. It was released on June 3, 2016, by Vertical Entertainment theatrically in the United States and later by Paramount Home Media Distribution on home media and video on demand.