NEIL PATRICK HARRIS and RACHAEL RAY are the first celebrity guests when "Million Dollar Password" premieres Sunday, June 1 on CBS at 8 p.m. The two join host REGIS PHILBIN for the super-sized version of the classic game show.

In the coming weeks, look for celeb guests ROSIE O'DONNELL, BETTY WHITE, STEVEN WEBER, SHANNA MOAKLER, skateboarding pro TONY HAWK and "Curb Your Enthusiasm"'s SUSIE ESSMAN.