Saved by the Bell grad Mario Lopez — who once donned a Speedo to play gay Olympic diving champ Greg Louganis — is now plunging into the soap suds. Lopez joins The Bold and the Beautiful's cast on March 20 as Dr. Christian Ramirez. He's the hunky younger brother of L.A. firefighter Hector Ramirez, who's played by Lorenzo Lamas. Sounds muy caliente!