Non-Stop stars Liam Neeson, Julianne Moore and Michelle Dockery discuss the highs and lows of the action-packed whodunit set on board an aeroplane.

"Anyone, at any moment, could be a suspect... you're constantly on the edge of your seat," said Downton Abbey's Dockery, who plays air hostess Nancy.

Liam Neeson, who takes on the lead role of disturbed air marshal Bill Marks, revealed that he suspected his own character while reading the script. "My guy could certainly be highly, highly suspicious - and rightfully so," teased the Taken star.



But did the turbulent experience of battling it out at 40,000 feet put the actors off flying?

Julianne Moore, who portrays shady passenger Jen Summers, wasn't adversely affected. "I don't mind it," she said, "now that I know that there's an air marshal there. If only the air marshal were always Liam Neeson, right?"

"I've got a fear of heights, but for some reason on an airplane I'm okay," added Neeson.

As for his recently announced return to the Taken franchise, what are Neeson's hopes for its future?

"It finish, because I'm going to be arrested for bad parenting."

Non-Stop is released on February 28

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