This Grand Guignol treatment bowled people over in the 50s, and it still yields some potent shocks.
-Dave KehrFull Review
Both director Terence Fisher as well as the cast have taken a serious approach to the macabre theme that adds up to lotsa tension and suspense.
-Variety StaffFull Review
Perhaps the constant hunt for hemoglobin is slowing our villain down, for this time there are strong indications that the once gory plot is showing definite signs of anemia.
-A.H. WeilerFull Review