"Sometimes Ollie would do things that were less about friendship and more about making a good scene, things that he wouldn’t have normally done if the cameras weren’t there."
• A ring of truth full story here
That included planting false evidence, McDougall says.
"One day, after I’d been told we’d start filming at 10am, there’s this bang, bang, bang at 8.25am. They ambushed me.
"It took me a while to notice, but they had put some junk food in the rubbish bin. However, it was the wrong one, it was the recycling bin. I wasn’t too stoked ...
"I was about to quit. I told Ollie he could carry on editing and directing his own scenes. I just couldn’t talk to him at that time. That took a couple of months, but gradually I got to the point where it it took more energy being angry than to accept he had made a mistake.
"Like all friendships, there were good times and bad times. But it’s important to show how complex and important friendships can be."