<P> Khan demands that Spock return his crew in exchange for the Enterprise officers . Spock complies but surreptitiously removes Khan's frozen crew from the torpedoes and arms the warheads . Khan beams Kirk, Scott and Carol aboard Enterprise, but betrays their agreement by attacking Enterprise; however, Vengeance is disabled when the torpedoes detonate . With both starships caught in Earth's gravity, they plummet toward the surface . Kirk enters the radioactive reactor chamber to realign the warp core, sacrificing himself to save the ship . </P> <P> Khan crashes the Vengeance into downtown San Francisco in an attempt to destroy Starfleet headquarters . Khan escapes the wreckage so Spock transports down in pursuit . McCoy discovers that Khan's blood has regenerative properties that may save Kirk . Spock pursues Khan through the city and is about to kill him, but Uhura stops him . Khan's blood revives Kirk . One year later, Kirk speaks at Enterprise's re-dedication ceremony . Khan is sealed in his cryogenic pod and stored with his compatriots . The Enterprise crew embarks on a five - year exploratory mission . </P> <Ul> <Li> Chris Pine as James T. Kirk, commanding officer and temporary first officer of the starship Enterprise </Li> <Li> Zachary Quinto as Spock, first officer and science officer </Li> <Li> Benedict Cumberbatch as Khan, a genetically engineered superhuman given the alias of John Harrison </Li> <Li> Simon Pegg as Montgomery "Scotty" Scott, second officer and chief engineer </Li> <Li> Karl Urban as Dr. Leonard "Bones" McCoy, chief medical officer </Li> <Li> Zoe Saldana as Nyota Uhura, communications officer </Li> <Li> Alice Eve as Dr. Carol Marcus, a science officer who uses the pseudonym of "Carol Wallace" to board the Enterprise </Li> <Li> John Cho as Hikaru Sulu, third officer and helmsman </Li> <Li> Peter Weller as Alexander Marcus, Carol's father and commander - in - chief of Starfleet </Li> <Li> Anton Yelchin as Pavel Chekov, navigator and Scott's temporary replacement as chief engineer </Li> <Li> Bruce Greenwood as Christopher Pike, Kirk's mentor and predecessor as captain of the Enterprise </Li> </Ul> <Li> Chris Pine as James T. Kirk, commanding officer and temporary first officer of the starship Enterprise </Li>

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