United Kingdom, June 23 -- Moshe Kasher is being treated for tonsil cancer.

The Pitt actor was diagnosed with the disease three months ago after discovering a bump in his throat while working on The Comeback King with Glen Powell and Judd Apatow, so recently underwent surgery to remove the tumour.

He revealed on Instagram over the weekend: "Two days ago, a Jewish surgery robot at Cedars Sinai yanked my jaw open for five hours and cut it out, and then slit my throat and disected my neck leaving me with a hardcore neck scar which will make people reluctant to street fight me."

Despite the joking tone, Moshe then turned serious as he admitted it had been "the most terrifying and consciousness consuming experience of my life."

He added: "...