In 2004, on his 40th birthday, Patton was diagnosed with HIV along with pneumonia, thrush, and tuberculosis. His medications interacted badly and he was hospitalized. Upon recovering, he moved to Mexico, where he met and later married Hector Morales Mondragon.
Puerto Vallarta, Jalisco, Mexico (August 2013).
Auditioned to play Glen in A Nightmare on Elm Street (1984) but lost out to Johnny Depp. Later ended up auditioning for A Nightmare on Elm Street 2: Freddy's Revenge (1985).
Became friends with his A Nightmare on Elm Street 2: Freddy's Revenge (1985) co-star Robert Rusler. They remained friends until Mark moved to Mexico.
Currently directing Off-Broadway Theatre (1995)