“It comes with the territory, and dark humour is good and cool.
"Also my sister-in-law died of cancer, and Covid, in the middle of all this... so being involved with Stand Up to Cancer is obviously a good thing."
He added to this week’s Radio Times: "David's dying was actually full of comedy, which made me and him laugh when he was in a fit state to appreciate what was going on.
"Medics, undertakers and clergy have a black sense of humour, but I'm not sure it's something for public consumption."
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Richard has been paired with comedian David Baddiel, who is mentoring and training him ahead of a special performance.