Mitchell was previously played by Abbie Burke.
England footballer Alessia Russo was a guest on the programme.
The soap occasionally references real life events.
Dorries is one of Britain's most controversial MP's.
The broadcast was the most watched programme of 2022.
The Lionesses are looking to make football history at Wembley.
The Lionesses take on Sweden in the semi-final of Euro 2022 at Bramall Lane.