For some actors, dedication to their craft knows no bounds.
There has been a long history of performers who have got so stuck into their roles that they’ve taken things too far, whether they’ve injured themselves or frightened their co-stars on set.
While method acting is considered a technique adopted by the greatest actors, there have been many examples of such instances where reining it in could have been beneficial.
It won't be much of a surprise to see certain names here – Daniel Day-Lewis and Joaquin Phoenix are indeed included – but others (Natalie Portman and Ashton Kutcher, for example) may make you look twice
Below is a compilation of 21 actors who took certain roles so seriously things got out of hand.
Joker is in cinemas now.
