John Middleton is uncertain of his future on 'Emmerdale'.

John Middleton

John Middleton

The 62-year-old actor knows his days on the popular long-running soap are numbered as his alter-ego Ashley Thomas - who he has played since 1996 - will soon lose his battle with dementia but he has admitted bosses haven't told him how long he has left on the Dales before he's sadly killed off.

He explained: "I am very much at the mercy of the writers - I don't know how long I'm going to be here. It depends on how rapidly they progress his dementia, because he could plateau for a long time. I don't know which route they will take."

However, although he's concerned about his exit scenes creeping up on him before he's ready to wave goodbye to the show, John feels incredibly honoured producers chose him to portray such a hard-hitting and emotional storyline.

Speaking to Inside Soap magazine, he said: "It's a big challenge, so it's not a very comfortable journey for an actor but it is an exciting one.

"I'm getting to explore things that you never normally do. I know it seems wrong but I'm actually thoroughly enjoying it."