His feature-film acting credits include the Saturday Night Live-inspired Superstar (1999) and Phil the Alien (2004).

In 2003, he was story editor and line producer, and did additional editing, for the independent feature Public Domain, directed by Kris Lefcoe.

[4] From 2004 to 2006 he voiced the character of "Buzz" Sawchuck in Gene Simmons' animated television show My Dad the Rock Star on NickToons.

Stefaniuk's latest work is the movie Suck, a vampire rock and roll comedy released in 2009 at the Toronto International Film Festival and on DVD in 2010.

[5] Stefaniuk writes, directs and stars in the film alongside Dimitri Coats, Jessica Paré, Malcolm McDowell, Iggy Pop, Alice Cooper, Moby, Dave Foley and Henry Rollins.