Rex Masterson is a Paramedic with the San Andreas Emergency Medical Services.
Masterson is originally from Vice City, where he was formerly a stage and television actor. His largest role before switching careers was a recurring role on CSI: Vice City, in which he played Detective Tommy Winston in thirty-five episodes over seven seasons.
At the age of eight, Rex's father died from bone cancer. For a few years after, Rex lived alone with his mother. She eventually married a second time and had a daughter a couple of years later - Rex's sister, Audrey Storm.
Back in Vice City, Rex was engaged to fellow actress Melissa Macintosh from 2014 to 2015. Before they could be married, his fiancee died from an undiagnosed heart condition.
Rex began dating Sadie Nelson on June 9th, 2019. The two became engaged on August 11th, 2019.