Stowaway
Netflix's Stowaway stars Toni Collette, Daniel Dae Kim and Anna Kendrick as a three-person crew on a mission to Mars. When they discover a fourth person aboard, played by Shamier Anderson, his unexpected presence places them all in jeopardy. Absent of sinister aliens, there's plenty of calculus (both mathematical and moral) as the crew tries to puzzle their way out of their rapidly worsening situation.