First APPROACHING THE UNKNOWN Trailer Witness the new APPROACHING THE UNKNOWN trailer! The film, written and directed by Mark Elijah Rosenberg, stars Mark Strong, Sanaa Lathan, and Luke Wilson. APPROACHING THE UNKNOWN will be released in theaters on June 3. Captain William Stanaforth is on a one-way solo mission to take the first steps in colonizing Mars. Like all pioneers throughout history, Stanaforth will face insurmountable odds and life and death decisions as he rockets bravely through space.