Instead, he's doing just about the most selfless thing imaginable: saving lives on a regular basis. At At 43 years old, he's now a paramedic, working and living in Washington DC. Although the occasional fan might recognize him, he does it purely for the good of others, not for recognition. He does appear at the odd comic convention, though, just to remind his loyal fans how much he loves them.
One of the most interesting facts about Austin St. John is that like his character on the show, he's a martial arts buff. In fact, he's been practicing since he was five years old, and is now a second-degree black belt in Taekwondo and first-degree black belt in Judo. He's such a master that he's written his own book on the subject, called Karate Warrior: A Guide To Martial Arts.