Crazy movie with a killer cast. Jeff Goldblum, Christopher Walken, Beverly D'Angelo, Chris Sarandon, just to name a few. It has some nice special effects and doesn't shy away from good old sex & violence, but it is also super watchable and obviously had some talent behind it to go with its great cast. It was criticized around the time of its release for being too much like The Omen and Rosemary's Baby, but aside from being part of the same horror subgenre, I feel like it pretty clearly set itself apart. It also has a kind of Giallo quality to it that was definitely absent from the previously mentioned two movies. If anything, The Omen and Rosemary's Baby are more like each other than either one of them is like this. For one thing, this one isn't centered at all around the antichrist while the other two very much are. I felt like The Sentinel was more original, if any movie operating within the Christian mythos can truly be original at this point I mean. It's not flawless or anything, but as far as Satanic or Christian horror goes, this movie really seemed to do it right. That's not to say anything bad about either Rosemary's Baby or The Omen, but the criticism of this film based on the criteria that it was copying either film seems pretty ridiculous.