“Game Of Thrones” star Kit Harington and UFC champion Conor McGregor star in the first trailer for “Call Of Duty: Infinite Warfare”.

The series moves into outer space for the game’s latest edition and in keeping with its celebrity cameos, Harington and McGregor make in-game appearances.

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Harington plays the antagonist Admiral Salen Kotch while McGregor can be briefly seen throwing a punch as Captain Bradley Fillion.  The new sci-fi “Call Of Duty” storyline features the usual things you’d expect to see in space, namely exploding spaceships and futuristic-looking weaponry.

Watch the trailer below.