American international swimmer and 11-time Olympic medalist Ryan Lochte will make his first-ever TV series appearance in an upcoming episode of 90210.Fresh off of his five medal wins from the 2012 London Olympics, Lochte will make a cameo as a guest at a resort where Naomi and Max are staying to strengthen their relationship in an episode of 90210 to air Monday, Oct. 29 (8:00-9:00 p.m. ET/PT) on The CW.