Daniel Craig won't say if Spectre is his 007 swan song

Is SpectreDaniel Craig's Bond swansong?We'll have to wait and see.

The British actor makes his fourth appearance as suave secret agent 007 in the Sam Mendes-directed film, which has its world premiere in London on Monday.

Speculation has swirled that it will be Craig's last film as James Bond ever since the actor told Time Out magazine that he would only make another Bond movie "for the money."

• Daniel Craig is really, really over James Bond

But Craig said Thursday that "I love making these films."

Asked by Britain's Press Association about returning to Bond, Craig joked: "Do I have a choice?"

Early reviews for the film are largely favourable, with both The Guardian and The Telegraph giving it five stars.

"Is this Craig's last hurrah as Bond?" PeterBradshawaskedin The Guardian, adding "he is one of the best Bonds and an equal to Connery."

Bond battles a shadowy international conspiracy inSpectre,which alsostars Oscar-winnerChristophWaltz as 007's nemesis. The film opens in the U.S. and Canada on Nov 6.