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US actor Tom Cruise, right, and British actress Rosamund Pike pose for the media during a news conference of their film "Jack Reacher" in Seoul, South Korea, Thursday, Jan. 10, 2013. Even though he turned 50 last summer and has been a Hollywood star for three decades, Tom Cruise says he still has fun making movies. (AP Photo/Lee Jin-man) Image Credit: AP

Even though he turned 50 last summer and has been a Hollywood star for three decades, Tom Cruise says he still has fun making movies.

Cruise was in Seoul on Thursday to promote "Jack Reacher," a thriller adapting Lee Child's novel "One Shot," part of the best-selling series about a mysterious ex-military investigator.

Appearing at a news conference with director Christopher McQuarrie and co-star Rosamund Pike, Cruise said, "It was so much fun making the film."

Pike, who played Bond girl Miranda Frost in "Die Another Day" in 2002, said she and Cruise enjoyed good on-screen chemistry - something "she never thought" she'd say.

It was Cruise's fifth trip to South Korea, where "Jack Reacher" opens next Thursday. Cruise was in Tokyo on Wednesday for the film's Japan premiere.