Macbeth. What can you say (or not say if your an old school thespian)? There's got to be blood and this press shot has plenty of it.
Nicholas Gleaves was swimming in the stuff whilst Hilary Maclean as Lady Macbeth looked on.
There are many different types of stage blood. Thick and thin and even minty (for use when it has to be placed in the actors mouth) but thick was the only way to go. Kind of put us all off the light snacks though.