“I can understand that rollercoaster people go on when they’ve lied.
“They start to cover up that lie and it just becomes a huge web of deceit they can’t get out of.
“I’ve seen people do that and seen it spiral out of control.”
Sarah Parish talking to me about new four-part ITV thriller Bancroft.
It begins at 9pm on Monday (Dec 11) and will be screened over four consecutive nights.