CastActingPopularity 0%
Martin Valko
Also credited as Sergej Petronov
Born Apr 13, 197155 years oldCzechoslovakiaActing
Martin Valko, also known as Sergej Petronov, is a former Slovak pornographic actor who appeared in gay porn movies and magazines. He is 6'1", and weighed about 190 lbs. when he was making movies. He performed in both the top and bottom roles.
