Sienna Guillory and Luke Treadaway have previewed new Sky Atlantic series Fortitude.
In Digital Spy's exclusive video, the stars discuss their roles as scientists who work at the Arctic Research Centre.
The pair play Natalie Yelburton and Vincent Rattrey in the drama, which will premiere on Thursday, January 29 through Sky Europe.
Guillroy described her character as "a sexually licentious scientist who doesn't trust anyone".
"She has this insatiable need to find things out," the 39-year-old added. "She is an immense explorer of people and things and she's quite mercurial. She's fun."
Treadaway added of Vincent: "He's arrived at Fortitude to study at the Arctic Research Centre, so it is a way of seeing this place to a new arrival. It's a very strange place.
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"It's an amazing adventure for anyone. They're really at the cutting edge of where they could be in the world of study in the Arctic but it all goes horribly wrong."
Written by Low Winter Sun's Simon Donald, the crime thriller charts a murder investigation in the peaceful, close-knit community of Fortitude.
Its all-star cast includes Stanley Tucci, Sofie Gråbøl, Christopher Eccleston and Michael Gambon.
