Marnie Julie Nightingale (née Maxwell-Brown) is the mother of James, Nathan Nightingale and Ellie Nightingale. She was also the wife of Mac Nightingale until 2016.
- Marnie is allergic to opioids.
- 2016: Marnie stands, wearing one of her hats and looks at the camera deviously.
- 2016-2019: Marnie and James stand in The Dog, Marnie throws her gloves at the screen.
- 2019-: Marnie walks down an alleyway, holding an umbrella with James and Romeo behind her.