sleestakk has logged 1 out of 3 movies featuring Mark Helfrich. Back to Actors by Popularity.
| Title | Director(s) | Year Released | Watched | Viewed On |
|---|---|---|---|---|
| Electric Boogaloo: The Wild, Untold Story of Cannon Films | Mark Hartley | 2014 | Yes | 09/23/2014 |
| Class of '79: 40 Years of Rock 'N' Roll High School | Daniel Griffith | 2019 | No | N/A |
| They Bite!: The Making of Critters | Michael Felsher, Buz Wallick | 2018 | No | N/A |