• Colin Firth

Colin Firth (Photo : Reuters)

While it is only second to "Fifty Shades Of Grey" at the box office, "Kingsman: The Secret Service" is set to have a sequel with its lead star Colin Firth returning.

"A lot of people are very upset that Colin might not be in the sequel but I'm coming up with ideas at the moment," "Kingsman: The Secret Service" director Matthew Vaughn told USA Today. "If people buy tickets in America, I've got a feeling we'll figure out a way for having Colin back."

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Vaughn said the "Kingsman: The Secret Service" sequel will be "this is the modern-day gentleman spy," which Firth's character Harry Hart or Galahad is not.

"Harry even says, 'There is a reason why we've developed weak chins,'" Vaughn added.

Competing against "Fifty Shades Of Grey," "Kingsman: The Secret Service" managed to pull in more than $35 million during its opening weekend.

Based on the comic book "The Secret Service" by Mark Millar and Dave Gibbons, the screenplay of "Kingsman: The Secret Service" was written by Vaughn and Jane Goldman.

Joining Firth on the "Kingsman: The Secret Service" cast are Taron Egerton, Samuel L. Jackson, Adrian Quinton, Mark Strong, Jonno Davies, Jack Davenportm Alex Nicolov, Samantha Womack, Mark Hamill, Velibor Topic, Sofia Boutella, Michael Caine, Geoff Bell, Jordan Long, Tobi Bakare and Morgan Watkins, among others.

After "Kingsman: The Secret Service," Firth is set to appear in "Genius" and in an untitled project with Donald Crowhurst. He also previously starred in "Before I Go To Sleep," "Magic In The Moonlight," "Devil's Knot," "The Railway Man" and "Gambit."