Imagine walking into a film expecting a serious psychological horror-drama about religious fanaticism and maternal repression, and walking out having witnessed what feels like the unholy lovechild of Psycho, a Chick Tract, and an amateur topless revue at a very confused church. That’s The Fiend (also known, with all the subtlety of a crowbar, as Beware My Brethren), a 1972 British horror film that’s so convinced of its own piety and purpose that it forgets entirely to be scary, coherent, or even remotely enjoyable.
Yes, The Fiend wants to preach. Unfortunately, it’s the cinematic equivalent of being screamed at on a bus by someone who smells like lighter fluid and quotes scripture between hiccups.
🔥 The Plot (If You Can Call It That)
Kenny Wemys (Tony Beckley), a creepy mama’s boy and part-time lifeguard, part-time night security guard, spends his time judging women for their immoral outfits and then strangling them with the zeal of a nun on a caffeine binge. His mother Birdy (played by Ann Todd, who deserves a medal or at least an apology) has turned her home into a culty compound for “The Brethren,” a fire-and-brimstone sect led by a minister so menacingly pious he seems to subsist entirely on judgment and damp bread.
The film opens with a woman running for her life (as one often should when a Robert Hartford-Davis movie begins), intercut with religious chanting and baptism by dunking — because nothing sets the tone like an immediate comparison between holy water and murder. Soon, naked bodies are piling up around London, dropped from cement mixers and found dangling from meat hooks like rejected entries from the world’s worst butcher-themed burlesque.
Kenny’s breaking point? A woman removes her bikini top at the pool. Cue the killer montage, because in the logic of The Fiend, bare shoulders = gateway to Satan.
Meanwhile, Birdy is a diabetic who’s hiding her insulin use from the cult because The Brethren don’t believe in medicine — they believe in fasting your soul clean, which sounds a lot like starving until someone finds your body and mistakes it for a sermon. Enter a nurse (Madeleine Hinde), her journalist sister Paddy (Suzanna Leigh), a fake pregnancy scam, and more awkward moralizing than a 1950s health class filmstrip.
🎬 The Direction: Thou Shalt Not Entertain
Robert Hartford-Davis directs with all the finesse of someone using a Bible as a sledgehammer. This is a man who looked at Psycho, said “More cross-dressing and religious trauma, got it,” and then took a sharp left into exploitation alley. There’s no suspense here, just heavy breathing and lingering shots of thighs, cleavage, and corpses — which, if you’re keeping score, is the trifecta of 1970s British exploitation.
He wants to make a point about religious hypocrisy, but ends up making a point about how many naked women he can fit into a 95-minute runtime under the guise of morality. If you squint hard enough, you might think you’re watching a public service announcement for abstinence — until a prostitute shows up and ends up on a meat hook.
🩸 The Killings: All Sin, No Subtlety
Let’s be clear: these murders aren’t scary. They’re not even stylistic. They’re the clumsy lashings-out of a man-child with mummy issues and unresolved theological trauma. Kenny kills like someone who read Leviticus and took it as a how-to manual.
It’s hard to tell what’s more offensive — the voyeuristic treatment of the victims or the film’s desperate need to frame everything as a “lesson.” The message seems to be: “Don’t be a loose woman, or Tony Beckley will strangle you to death and throw you in a river between church scenes.”
🎭 The Performances: Acting in Penance
Tony Beckley leans so hard into creepy loner mode that he makes Norman Bates look like a well-adjusted extrovert. He doesn’t act — he seethes. Constantly. His character has the emotional range of a toaster that’s been dunked in holy water.
Ann Todd, bless her, plays Birdy like she’s been caught between a bad script and a worse theology. You can see her trying to elevate the material, even as the film drags her into the muck. Patrick Magee as the Minister looks like he wandered off a Shakespeare set and into a sweaty sermon, delivering fire-and-brimstone lines with the gravitas of a man who’s very aware that he once worked with Kubrick and is now here… doing this.
🎵 Music & Atmosphere: Organ Music and Mood Swings
The score toggles between hysterical organ music and low-budget dirge. It’s not scary. It’s not moody. It’s like someone handed a Casio keyboard to a choir boy in the middle of an exorcism and told him to just feel it out.
The Brethren scenes are unintentionally hilarious, filled with so much shouting, clapping, and awkward rhythmic swaying that you’d think you stumbled into a cult-themed hoedown. All it’s missing is someone snake-handling a ham sandwich.
🛐 The Message: Hell Is Other People’s Morals
There’s a cautionary tale somewhere in The Fiend — about religious repression, cult behavior, and how not to raise your adult son — but it’s buried under a pile of corpses, cleavage, and 1970s male guilt. This is a movie that tries to condemn sin while ogling it like it’s on sale.
It wants you to reflect on how extremism warps the mind. What it actually does is remind you that the real horror is a filmmaker trying to tell you how to live while simultaneously staging murder scenes like Benny Hill bits in a funeral parlor.
Final Verdict: Damnation Without Destination
★☆☆☆☆ (1 out of 4 stars)
The Fiend isn’t scary, or profound, or even competently salacious. It’s just loud, leering, and lost — a morality play written by someone who thinks horror is what happens when women wear miniskirts in public.
If you’re looking for thoughtful psychological horror, look elsewhere. If you’re looking for the cinematic equivalent of a fever dream in a church basement, well, Beware My Brethren — they made a movie.
And if your son ever becomes a nighttime security guard who yells at women for being “indecent” at the swimming pool… maybe don’t join a cult. Just a thought.
