Here’s EW’s ranking of the 20 best Hammer horror productions of all time.

Hammer veteran Christopher Lee appears briefly as Morgan’s father.

Swank has consistently proven herself an adept elevator of schlock, an unexpected though welcome career path for her.

Christopher Lee in the title role in the 1958 movie Dracula, aka Horror of Dracula.; Let Me In (2010) Chloe Moretz; Kino. HERBERT LOM as the phantom. Regie: Terence Fisher / THE PHANTOM OF THE OPERA UK, 1962.

Christopher Lee in ‘Horror of Dracula’; Chloë Grace Moretz in ‘Let Me In’; Herbert Lom in ‘The Phantom of the Opera’.Credit:George Rinhart/Corbis via Getty; Saeed Adyani; FilmPublicityArchive/United Archives via Getty

The Quartermass Xperimentis not available to watch or rent.

(The cult-meets-monsters plot plays as if one of the Cult-of-Thorn-obsessedHalloweensequels suddenly included bloodsuckersandbellbottoms.)

(This would be their final appearance together in aDraculafilm.

Hilary Swank in ‘The Resident’

Hilary Swank in ‘The Resident’.Everett Collection

)Joanna LumleyofAbsolutely Fabulousappears as Van Helsing’s granddaughter, Jessica.

After Gibson’s ownA.D.

The alterations to the original story lend the movie an edge that other, more straightforward adaptations have lacked.

Elliott Gould and Cybill Shepherd in ‘The Lady Vanishes’

Elliott Gould and Cybill Shepherd in ‘The Lady Vanishes’.Everett Collection

After desecrating a tomb (stopdoing that!

The Mummyis an exceedingly elegant and creepy horror picture that seamlessly blends its action and adventure elements.

The Legend of the 7 Golden Vampiresis not available to watch or rent.

Brian Donlevy, David King-Wood, and Richard Wordsworth in ‘The Quatermass Xperiment’

Brian Donlevy, David King-Wood, and Richard Wordsworth in ‘The Quatermass Xperiment’.Moviestore/Shutterstock

The Snorkelis not available to watch or rent.

In fact, this looks like it’s a movie entirely unconnected from any reality yet discovered.

It is certainly not scary, but in its zany silliness, it is often quite funny.

Christopher Lee in ‘The Satanic Rites of Dracula’

Christopher Lee in ‘The Satanic Rites of Dracula’.LMPC via Getty

Its rollicking pace is reminiscent ofTremors, quite a different alien-buddy movie, but a relative nonetheless.

Hands of the Ripperis a potboiler in the truest sense of the word.

Indeed, behind-the-scenes problems led to significant alterations to the overall film.

Robert Urquhart and Peter Cushing in ‘The Curse of Frankenstein’

Robert Urquhart and Peter Cushing in ‘The Curse of Frankenstein’.Everett Collection

Yet, Fisher’s adaptation is a worthwhile one.

The Abominable Snowman of the HimalayasisThe Treasure of the Sierra Madreof monster movies.

Kneale’s stories were always subtextually rich, and here he does not disappoint.

Peter Cushing and Christopher Lee in ‘The Mummy’

Peter Cushing and Christopher Lee in ‘The Mummy’.Everett Collection

The Abominable Snowman of the Himalayasis not available to watch or rent.

The shock scenes, too, still hold up all these years later.

The Devil Rides Outis a supremely creepy occult thriller that treats its subjects with documentary-like precision.

John Forbes-Robertson and Chan Shen in ‘The Legend of the 7 Golden Vampires’

John Forbes-Robertson and Chan Shen in ‘The Legend of the 7 Golden Vampires’.Everett Collection

The Devil Rides Outis not available to watch or rent.

Chloë Grace Moretz in ‘Let Me In’

Chloë Grace Moretz in ‘Let Me In’.Saeed Adyani

Peter van Eyck and Mandy Miller in ‘The Snorkel’

Peter van Eyck and Mandy Miller in ‘The Snorkel’.Everett Collection

Susan Strasberg in ‘Taste of Fear’

Susan Strasberg in ‘Taste of Fear’.Everett Collection

Donald Houston in ‘Maniac’

Donald Houston in ‘Maniac’.Everett Collection

Tom Poston, Janette Scott, and Fenella Fielding in ‘The Old Dark House’

Tom Poston, Janette Scott, and Fenella Fielding in ‘The Old Dark House’.Columbia Pictures/Getty

Alicia Silverstone in ‘The Lodge’

Alicia Silverstone in ‘The Lodge’.Everett Collection

Rita Tushingham and James Bolam in ‘Straight on Till Morning’

Rita Tushingham and James Bolam in ‘Straight on Till Morning’.Moviestore/Shutterstock

Christopher Lee and Peter Cushing in ‘Horror Express’

Christopher Lee and Peter Cushing in ‘Horror Express’.Everett Collection

Eric Porter and Angharad Rees in ‘Hands of the Ripper’

Eric Porter and Angharad Rees in ‘Hands of the Ripper’.ITV/Shutterstock

Herbert Lom in ‘The Phantom of the Opera’

Herbert Lom in ‘The Phantom of the Opera’.Everett Collection

Forrest Tucker in ‘The Abominable Snowman of the Himalayas’

Forrest Tucker in ‘The Abominable Snowman of the Himalayas’.Everett Collection

Peter Cushing in ‘Horror of Dracula’

John Van Eyssen in ‘Horror of Dracula’.Universal/Getty

Christopher Lee, Paul Eddington, Sarah Lawson, and Patrick Mower in ‘The Devil Rides Out’

Christopher Lee, Paul Eddington, Sarah Lawson, and Patrick Mower in ‘The Devil Rides Out’.Everett Collection