5. Waxing Steve Carrell

Steve Carrell in The 40 Year Old Virgin decided to have his chest hair waxed off - for real. Evidently it was the cheaper option than devising some bizarre prop chest in which Carrell could act behind. However, it also means Carrell's screams of agony were definitely not put on. Incredibly, he still somehow manages to remain in character throughout the suffering.  

Carrell explained in behind-the-scenes footage that although he thought initially it would "be pretty easy" but concluded with "this was a dumb idea." 

Watch The 40-Year-Old Virgin waxing scene (contains strong language):