The actress was part of a panel at a sci-fi convention discussing zombie comedy Shaun Of The Dead in her first event since revealing she has cancer.

It was her first public appearance since announcing on August 11 that she had ‘incurable’ stage four breast cancer that had ‘metastasised’.

The actress, who is best known for playing Dawn Tinsley in the BBC sitcom, has been diagnosed with ‘incurable’ breast cancer.

The Office actress announced her diagnosis on Tuesday and said she ‘doesn’t know how long she has left’.

The 53-year-old actress is known for playing Dawn Tinsley in the BBC sitcom and is the daughter of comedian Jasper Carrott.