In the sentence "So, who exactly is Darren; the character who/whom/of whom the film is centred around."
Should it be who/whom or of whom?
In the sentence "So, who exactly is Darren; the character who/whom/of whom the film is centred around."
Should it be who/whom or of whom?
In ordinary English, "the character the film is centred around" (thanks for the notice, John Lawler); or for greater clarity, "the character who the film is centred around".
For people who still use 'whom', "the character whom the film is centred around".
In very formal, stilted, English: "the character around whom the film is centred".