She joined local youth drama companies at The Lowry and the Royal Exchange, participating in the 2013 National Theatre Connections.
This was followed by guest appearances in the BBC One soap opera Casualty and anthology series Moving On, a role as Kelly in the Channel 4 television film The Watchman with Stephen Graham.
Upon graduating from university, King joined the cast of the BBC Three thriller Clique for its second series as Rayna.
In 2019, King began playing Abbie Armstrong in the ITV crime drama The Bay.
[5] In 2022, King had a main role as Melissa de Vere in the BritBox period drama Hotel Portofino and played murder victim and Danny Frater's (James Nesbitt) daughter Christina in the Channel 4 crime drama Suspect.