The Mastermind
2025 · 5.7/10
SnoozefestGreg Siewny
Production
Greg Siewny is an actor, producer, and medical consultant in films, known for A Bachelor's Valentine and The Green Oak Guardian. After a successful career as an OB/Gyn Surgeon in his hometown in Ohio, he stumbled into movie making. He also has a beloved classic car, which he uses in productions.
Where to start: The Alto Knights (2025).
As actor 4
Frequently asked questions
What is the best Greg Siewny movie?
By viewer score, The Alto Knights (2025) at 6.2/10.
What are Greg Siewny’s most popular movies?
The Alto Knights, The Mastermind, Shirley.
How many movies has Greg Siewny made?
4 films on TMDB, 4 as actor.