Liam Neeson and Maggie Grace reunite for Taken 2

Liam Neeson looks pretty Taken with Maggie Grace: Co-stars reunite for thriller sequel

It's the polite thing to do to save someone after they have rescued you from danger.

And that's exactly what Maggie Grace intends to do for onscreen father Liam Neeson in Taken 2.

The co-stars have reunited for the sequel to the 2008 thriller; in which a retired CIA agent travels across Europe to find his daughter, who was kidnapped on a trip to Paris to be sold into prostitution.

Reunited: Liam Neeson plays Bryan Mills in the sequel, Taken 2, with co-star Maggie Grace as daughter Kim

The pair were filming scenes in LA, shooting various shots in and out of the car and on the sidewalk.

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Neeson, 59, was dressed casually in jeans and a dark green shirt, while Grace, 28, was seen in a patterned summer dress before later covering up in a rather unshapely cagoule.

The as yet untitled follow-up will see the action move to Istanbul, where Bryan Mills (Neeson) and his wife are taken hostage by the father of the kidnapper Mills killed while rescuing his daughter.

Another kidnapping on the horizon? Maggie steps out of Liam's car during filming in LA

Famke Janssen will also reprise her role as Neeson's wife, while The Karate Kid creator Robert Mark Kamen and Leon director Luc Besson will co-write the screenplay again.

Oliver Megaton, who directed Jason Statham in Transporter 3, will step behind the lens, taking over from Pierre Morel, who is currently working on the television series of William The Conqueror.

Despite tragically losing his wife Natasha Richardson in a freak skiing accident in 2009, Liam has continued to pursue his Hollywood dreams rather than going on a career hiatus.

Revenge: Liam finds himself in trouble by the father of a kidnapper he killed while rescuing his daughter

Over the last two years he has dedicated himself to 13 different projects; including John 'Hannibal' Smith in The A-Team and voicing Aslan in The Chronicles of Narnia: Voyage of the Dawn Treader.

Grace found fame on desert island series Lost, playing blonde-haired Shannon Rutherford.

She is hoping to catapult into a household name after securing the role of vampire Irina in The Twilight Saga: Breaking Dawn films.

Natural beauty: Even dressed in an unflattering cagoule, Maggie still looked cute as a button

On a mission: Taken 2 will see Maggie rescue her onscreen father Liam, after he saved her in the first film