The Bill Murray film Rock the Kasbah has topped a list of the biggest box-office flops of 2015.

Comparing worldwide takings with production costs, the list, by Forbes, exposes the films that left cinema-goers wishing they had stayed at home.

Here are this year's 10 worst performers (with their trailers below):


1. Rock The Kasbah


2. The Gunman


3. Blackhat


4. Unfinished Business


5. Jem And The Holograms


6. Self/Less


7. American Ultra


8. We Are Your Friends


9. Aloha


10. Mortdecai


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