United Kingdom, June 14 -- Elisha Cuthbert doesn't think she has the "energy" to work on 24 again.

The 43-year-old actress played Kim Bauer, the daughter of Kiefer Sutherland's lead character Jack Bauer in the real-time drama but she admitted it wasn't an "easy" programme to work on because the shoots could be so "intense", and so if the show was ever to make a comeback, she's unsure if she'd return to the role.

She told People magazine: "It's hard to imagine, really, the scope of it. It was a whirlwind, too. I mean, the success of it all was overwhelming and thrilling and exciting.

"I have great memories of that time, but also, it was really intense too. We were working so much that the one-hour format... especially with all the actio...