Pamela Anderson--who, as hero lifeguard C.J. Parker, rescued so many a pubescent boy from the vast ocean of after-school television that wasn't sexually charged enough--is returning to the beaches of Baywatch. As revealed by the usual Baywatch casting source, Dwayne Johnson's Instagram, Anderson has signed on and seemingly already shot a part in the movie remake of the TV series that made her famous. With Kelly Rohrbach already filling the C.J. Parker role, Anderson's role is not known. But judging by the above photo... Sexy Diane Keaton Halloween costume model?