The Pantomine farce that is called 'Acitng'

 Think of the the pantomime horse, with two actors inside one playing the front and the other the rear end, a struggle ensues as they endebaour to 'express' themselves, there is a fight inside the Pantomine horse between front and back legs, inevitably the Horse collapses on Stage in a heap.

Such is the farce of 'Acting'.