Some actors just weren't born to play the hero. Some look silly in a fight. Some sound ridiculous acting tough. And some just aren't cut out to play a leading man.
In honor Kevin James' ridiculous role as an MMA fighter in "Here Comes the Boom," check out 20 of the very worst action stars to ever hit Hollywood. —XFINITY Entertainment Staff
(Photos by: Dave Hogan/Hulton Archive/Getty Images, Sven Arnstein/NBC, AP Photo/file, Sony Pictures) The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.