He is a b-movie regular and has been involved in the low budget science fiction and horror industry since 1990.

[1] Zaso broke into the film industry with the horror musical It's Only a Movie (1990), which he wrote, directed, and appeared in.

He teamed up with New York City director Kevin Lindenmuth on several pictures, including Alien Agenda: Endangered Species (1998), Rage of the Werewolf (1999), and Addicted to Murder 3: Blood Lust (2000).

He also worked with German horror director Andreas Schnaas on both Demonium (2001) and Nikos (2003).

Zaso has also appeared as an extra in the film Dragon: The Bruce Lee Story (1993) and on the popular daytime TV series, All My Children.