Most people think that Keith O'Brien was somehow related to the production of The Mentalist. It could also be a family member of someone who works on the show. I did find an Australian obituary for a Keith O'Brien that passed away in October 2011. If this is the correct man, it may be a friend or family member of Simon Baker since he is also from Australia.
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Keith O'brien was a professional driver who worked on The Mentalist. He died from cancer.
yes he is
if u are talkng about obrien i cant help u there but if u are talking about the barbarian show i can help u i got canceled because of its stereotype and its lack of veiwers but with ur obrien guy i am pretty sure it was a feud with jay lenno
CBS television .
Never
hes not married he was but divorced he was married to mariah obrien hes divorced he not married but used to be .=)