The U.S. president (John Cena) and U.K. prime minister (Idris Helba) cast diplomacy aside in a far-fetched but highly enjoyable action comedy.

Elba, whose career includes a lot of what might be called prestige genre, has such natural poise and gravity that one assumes he's done all the Shakespeares and Shaws and Ibsens, but "The Wire" and " Luther " were more his thing.