However, as she settles into the Mill, she befriends with her colleagues and show a more likeable side of herself, while also feuding with fellow newcomer Princess Buchanan (Laura White).
Due to coming from a working class background herself, Pegg felt privileged to represent a similar story to her own, and one that was relevant to millions of people across the nation.
It explored her relationship with her parents and revealed that Scarlett's mother had walked out on their family unit prior to her introduction on the soap.
Scarlett's later storylines have seen her grieve for dead colleague Karen Hollins (Jan Pearson), embark on a romance with Ollie Millar (Isaac Benn) and being the victim of a shock attack from an angry patient.
[1] Scarlett's BBC profile described her as a surly character who has a lot to learn, but explained that she "has had to grow up very quickly" due to her sick father and money troubles.
[7] She initially found Scarlett's costumes to be very bright and clashing, but learned to love the outfits and began wearing similar clothes in real life.
She spoke about experiences where a sales assistant had answered a phone call whilst serving her, as well as a woman folding clothes putting up her index finger to tell a customer to wait for her to be done.
[6] Scarlett was introduced as an applicant for the receptionist position that opens up at Sutton Vale following the departure of Rosie Colton (Janice Connolly).
Zara Carmichael (Elisabeth Dermot Walsh) is shocked by her honesty, especially when Scarlett states that she is merely applying for the money and is not intrigued by anything within the job role.
[1] Business manager Bear Sylvester (Dex Lee) feels that despite her attitude, Scarlett has potential and could learn the job quickly, hiring her for the role.
[9] Scarlett is distracted from her training due to witnessing the chaos of the other staff members, including Princess Buchanan (Laura White) flirting with staff, Ruhma Carter (Bharti Patel) oversharing about her traumas and Al Haskey (Ian Midlane) and Emma Reid (Dido Miles) talking like pirates.
[9] Scarlett receives more training from other receptionist Karen Hollins (Jan Pearson), who teaches her about the computer booking system.
She is then called in for a meeting with Bear, where she snaps due to feeling like she has been overly critiqued whilst not getting enough support with the job.
When the leader of the clinical commissioning group visits Sutton Vale, Scarlett argues with "very demanding" patient Denise Willoughby (Susie Fairfax), as well as panicking at someone's pet spider disappearing in the surgery.
[13] Princess Buchanan (Laura White) is intrigued when she overhears Scarlett's interest in learning about the vulnerable patient assessment scheme (VPAS).
[18] In September 2022, the series began a long-running financial troubles arc for Scarlett to show the effects of the cost of living crisis in the UK at the time.
[6] The storyline sees Scarlett become "run ragged" from working several jobs, visiting a food bank, trying to hide her struggles from everybody and stealing resources from the Mill.
The pair meet when Scarlett begins living with his mother, colleague Kirsty Millar (Kiruna Stamell), after Karen's death.
Frankie Sharp (Andrea Mason) arrives at the Mill as an angry patient that needs her repeat prescription renewed, but due to a lack of appointments for a doctor to review it, Kirsty informs her she may have to wait two weeks.
[23] Frankie was introduced to Doctors as part of a topical plot for Scarlett's development and was inspired by real-life news stories about the violence healthcare workers face.
She was written into the series for a storyline that sees Scarlett moving into shared accommodation due to her continuing money struggles.
She is shocked to learn that there is nothing sexual about Holly's livestreams since she only opens packages onscreen and provides rich, lonely men with conversation.
[25] Holly later "desperately" arrives at the Mill with a sore throat and asks for antibiotics since she has a livestream scheduled and cannot afford to miss out on the money.
[33] Hallam admitted that she is "quick-witted and computer-literate" and said that this would help her in the position, but highlighted the issue of her "storming out" after being reprimanded for her behaviour after she initially quits.
[5] Pegg and other cast members recalled times where viewers had walked up to them on the street and made jokes about Scarlett's feet regularly being up on surfaces, which annoyed them.
Viewers appreciated that Doctors was covering the violence that medical workers face and praised Pegg's part in the story.