Super agent Jack Bauer has at least another three "days" to live on "24."

Then again, maybe not.

The actor who plays him, Kiefer Sutherland, has landed a $30 million deal with 20th Century Fox Television, the studio that produces the show, to keep the "real-time" series going for at least another three seasons.

But that doesn't necessarily mean Bauer will be around three years from now, since even popular characters on "24" can be - and have been - killed off, studio executives point out.

"This doesn't guarantee anything," 20th Century Fox Television president Dana Walden told The Post yesterday. "We didn't make this deal with the intention of guaranteeing that this character would always be around. The beauty of "24" is that it's unpredictable. What goes on in terms of the plots of "24", nobody knows yet."

While the new deal makes Sutherland one of the highest-paid actors on TV and promotes him to executive producer from co-executive producer of "24," Walden said the most important element of the new contract is that it gives Sutherland his own production company at Fox, where he reportedly will seek to produce new TV programs.

"It was in an effort to expand our relationship with Kiefer that we made this deal," Walden said.