Five can’t-miss shows that aren’t sold out yet for the New York Comedy Festival:

* Brian Regan (Sunday at 8 p.m., Avery Fisher Hall): Masterful in his timing and awkward comedy.

* “We Have a Winner” (tomorrow at 8 p.m., 92nd St. Y): Lizz Winstead & co. look at the new prez.

* Susie Essman (Saturday at 8 p.m., Carolines, 1626 Broadway): Enjoy a quick “Curb” fix with the screaming newlywed.

* Best Sketch in New York (Thursday at 7:30 p.m., UCB Theatre, 307 W. 26th St.): Get ’em while they’re not on “SNL.”

* Frank Caliendo (tomorrow at 8 p.m., Carnegie Hall): Freakish impressions that are, well, freakishly good.