The actor will make his final appearance on the forensic drama tonight

Silent Witness actor William Gaminara admits there are some things he’s relieved he’ll never have to do again after leaving the BBC detective show.

William – who played Professor Leo Dalton for 11 years – often found himself using animal parts as props and once ended up picking maggots out of a real skull.

‘What I won’t mind missing is when we stopped using prosthetics made out of plastic and we started using pigs’ organs for hearts and livers. That was really unpleasant,’ says William.

‘It was the first time I started to feel squeamish as they really smelt.’

William will make his final appearance as Leo alongside co-stars Emilia Fox and David Caves on tonight’s concluding episode of a two-parter set in Afghanistan.

While he enjoyed filming his last ever programme in Spain because it was ‘filled with with gunfire and explosions’, he felt ready to leave.

‘It’s been a huge part of my life but I couldn’t keep up the level of enthusiasm,’ William tells The Sun.

‘It is like a minor form of grieving. I think I will miss doing the post-mortems in some strange way and it was sad to think I was never going to speak the words of my character again.’

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Anna Duff