Satan's Little Helper (2005)

"Satan's Little Helper" is a horror comedy built around Halloween mischief that spirals into something far darker, mixing slasher tension with a twisted sense of humor about costumes and consequences. Katheryn Winnick brings a grounded presence to the chaos, playing a role that anchors the film's shift from prank-heavy setup to genuine dread. Fans looking for her early screen work will find 2 scenes worth seeking out, capturing her in a more revealing light before her career moved toward bigger franchises. It's a lesser-known title, but the payoff for completionists tracking Winnick's filmography is real.