ITV's The Bay star Marsha Thomason has revealed that there's one scene in season 5 that left her in a flood of tears.

The Lancashire-set crime drama returned last night (with another episode set to air tonight), kicking off another murder mystery for Detective Sergeant Jenn Townsend to solve.

Once again, there's a big supporting cast on board for the case, and it's Cold Feet and Ripper Street actor Leanne Best who got Thomason all emotional.

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"I love playing Jenn and she's a lot to sink my teeth into. I'm really grateful for that," she said (via Radio Times).

"One of the scenes that comes to mind is when Jenn goes to tell Julie, played by Leanne, that her daughter is dead.

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erin shanagher, marsha thomason, leanne best, the bay season 5
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"We rehearsed it. I mean, Leanne is incredible in this series, an incredible actor. But my gosh, in this rehearsal, it was unbelievable. I couldn't hold it together. I was just bawling my eyes out.

"I could not be a family liaison officer. It was so incredibly moving, she just was right there and every take. That was just the rehearsal… just incredible. It's just such a privilege to be able to tell these stories.

"People go through this stuff in real life. People really go through these kinds of horrors. I enjoy the challenge, I enjoy the emotion of it all. I have a really fun time and I'm completely drained."

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Writer Daragh Carville added that Best brings "the rawness of emotion that she was able to access in a way that I'm not sure we've quite done before".

"We're exploring the impact of loss, the impact of grief, but I hope it's not just unremittingly grim, because it's also about finding a way through grief and coming out the other end," he said.

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