Reviews:
"A grim, unrelenting study of a psychopathic killer.
Shatner is surprisingly strong in an enormously demanding role."
- Box Office Magazine
"Well-crafted and effective... flowing with Grefe's scalpel-sharp direction."
- Alex Ben Block, The Miami News
"Shatner is incredible and frightening during his lapses into insanity. There are a number of vividly horrifying murder scenes which make even adults cringe."
- Perry Fulkerson, The Evening Independent
"William Shatner is very effective in it. It's a performance right up there with his work in THE INTRUDER."
- Joe Leydon, Variety
"IMPULSE, with its exciting camera work, local flavor, and terrific performances, especially from Shatner as the sociopathic main character, just might be the pinnacle of Grefé’s career. It has all of the punchy, violent power of the best films by Samuel Fuller and Robert Aldrich, and Grefé shares with those artists an understanding of a specific kind of sickness in the underbelly of America that is taking its toll on mainstream society."
- Jim Healy, Wisconsin Film Festival
