United Kingdom, Jan. 28 -- Richard E Grant cut one of his best friends from his life after a "toxic" betrayal.

The 68-year-old actor was "devastated" after a former university friend accidentally copied him into an email to one of their mutual friends in which she brutally tore apart an autobiographical script he'd been working on.

Appearing on Paloma Faith's Mad Sad Bad podcast, he said: "I thought [she] was one of the five best friends of my life."

He added: "There was a paragraph of such toxicity... it was [an annihilation] of my script that I'd written that was entirely autobiographical.

"I was absolutely devastated, so I copied and pasted that and sent it back and said: 'Twenty-nine years of friendship?'

"My daughter [Olivia] sa...