As Coronation Street revealed it was Sarah who killed Theo on Monday, actress Tina O’Brien addressed whether she could be leaving the ITV soap and her reaction to the twist
Coronation Street’s Sarah Platt has been exposed as Theo Silverton’s killer.
Now, actress Tina O’Brien, who has played the character since 1999, has addressed whether she’s about to bow out for good. Flashbacks during Monday’s episode confirmed what really happened to Theo, and who was to blame.
We saw Sarah accidentally killing Theo after he turned sinister. As he threatened her, she shoved him before hitting him over the head with a metal pole, leading to him plummeting off the scaffolding.
In the fallout, Sarah will be desperate to cover her tracks. But will she be caught out, and could it lead to a prison stint, or possibly a permanent exit from the ITV soap after after nearly 30 years in the role?
Tina shared: “It’s not just about her now, it’s about her family and her son, and there are times when she can’t cope with the pressure and you think she’s just going to hand herself in. And then she thinks about her son growing up without a mum, if she’s convicted and can’t prove she acted in self defence.
“And because of those things, she’s so desperate to do whatever it takes to be part of her family’s life.” It was her ex Gary that she frantically called for help, with him now keeping her secret.
With Gary’s rivalry with Sarah’s partner Kit Green now at boiling point, Tina explained why Sarah told Gary and not detective Kit. She said: “I think she absolutely went into panic mode, shocked, stunned and numb. She obviously didn’t know what to do, she didn’t know how to react and in that moment she thought, I can’t call Kit because of his job in the police.
“And so in that moment, she thought who can I call and it was Gary. There’s a lot of guilt there and I think also, selfishly, she feels like she’s ruined her chance with Kit, because if he knows what she’s done, he might not want her anymore and she so wanted him to be her future.”
This isn’t the first time Sarah has been caught up in a murder plot. Fans will recall that back in 2015, Sarah’s sister-in-law Kylie Platt murdered Sarah’s love interest Callum Logan. Callum had tried to attack Sarah, leading to Kylie killing him with a wrench.
Sarah and Kylie, with the help of Sarah’s brother David Platt, covered up the crime, and buried the body under their house. Sarah’s mental health spiralled in the fallout, and she was admitted to a psychiatric unit for treatment.
With Sarah caught up in another murder, Tina said this time her character could face prison. She teased: “If she’d have called the police straight away and explained what happened, she would have been in a much better situation, because it was clearly not pre-meditated, it was a situation where she felt she had no other choice.
“But to cover it up, to actively cover something up, she knows that she crossed a line that she can’t come back from.” She added on exit fears: “I genuinely didn’t worry, at the end of the day this job is incredible, but to be an actor is not necessarily a job for life. So, I just was really excited to be given the honour of being the murderer, and then hopefully, however it plays out, I’ll enjoy Sarah’s arc.”
So does this hint that Sarah will stick around? After keeping quiet for months, Tina shared: “I’ve literally been a big bag of nerves. It’s been so difficult, I told my mum and I just recently told my daughter Scarlett and my son Beau. You’re seeing all the chat on social media, everyone’s saying I think this, and I think that.
“Actually filming these scenes the weeks after have been the hardest thing I’ve ever filmed because I felt like my face looked guilty constantly and I thought everyone’s going to know it’s me instantly.”
It came as no surprise to Tina though that Sarah killed Theo. She explained: “I completely understand how it happened, why it happened. For me to get into her character and her head, I feel like in that moment, she didn’t feel like she had any other choice.”
Coronation Street airs weeknights at 8:30pm on ITV1 and ITV X. * Follow Mirror Celebs and TV on TikTok, Snapchat , Instagram , Twitter , Facebook , YouTube and Threads.

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