United Kingdom, Jan. 12 -- Pierce Brosnan is determined to enjoy the time he "has left" now he's in his 70s.

The former James Bond star - who turns 73 in May - has admitted his work as an actor keeps him "alive" but he can feel the tick" of time as he gets older and doesn't want to waste a moment.

He told The Independent newspaper: "It's the creative life that keeps me alive. I'm 72, time is moving on for me, and I can feel the tick of it.

"I've been down this path a long way now. But what else do I do but really live the life and the time that I have left?"

Brosnan went on to add he still suffered from moments of self-doubt as an actor despite being in the industry for such a long time and he credits his wife, Keely Shaye Smith, and ...