45		Strange Behavior (Horror, Mystery, Sci-Fi, 1981)
45		The Return of Doctor X (Horror, Mystery, Sci-Fi, 1939)
45		Devil's Pass (Horror, Mystery, Sci-Fi, 2013)
45		Rip Cage (Horror, Mystery, Sci-Fi, 2007)
45		Point of No Return (Horror, Mystery, Sci-Fi, 1976)
45		Five Million Years to Earth (Horror, Mystery, Sci-Fi, 1967)
45		An Incident at Bridgeville (Horror, Mystery, Sci-Fi, 2005)
45		Disturbing Behavior (Horror, Mystery, Sci-Fi, 1998)
45		Die, Monster, Die! (Mystery, Horror, Sci-Fi, 1965)
45		The Vulture (Horror, Mystery, Sci-Fi, 1966)
45		Island of the Burning Damned (Horror, Mystery, Sci-Fi, 1967)
45		Videodrome (Horror, Mystery, Sci-Fi, 1983)
44		The Body Stealers (Horror, Mystery, Sci-Fi, 1969)
42		The Thing (Horror, Mystery, Sci-Fi, 1982)
41		The Stepford Wives (Horror, Mystery, Sci-Fi, 1975)
41		Bug (Sci-Fi, Horror, Mystery, 1975)
40		The Jade Mask (Horror, Mystery, Sci-Fi, 1945)
40		Cube Zero (Horror, Mystery, Sci-Fi, 2004)
40		Crawlspace (Horror, Mystery, Sci-Fi, 2012)
40		Chemical Wedding (Horror, Mystery, Sci-Fi, 2008)
40		The Legend of Cooley Moon (Horror, Mystery, Sci-Fi, 2012)
40		This Island Earth (Horror, Mystery, Sci-Fi, 1955)
40		Unearthed (Horror, Mystery, Sci-Fi, 2007)
40		The Faculty (Horror, Mystery, Sci-Fi, 1998)
40		Dreamland (Sci-Fi, Horror, Mystery, 2007)
40		Flight 7500 (Horror, Mystery, Sci-Fi, 2014)
40		The Relic (Horror, Mystery, Sci-Fi, 1997)
40		Headspace (Horror, Mystery, Sci-Fi, 2005)
40		Shock Waves (Horror, Mystery, Sci-Fi, 1977)
40		The Bay (Horror, Mystery, Sci-Fi, 2012)
40		Scourge (Horror, Mystery, Sci-Fi, 2008)
40		The Bermuda Triangle (Horror, Sci-Fi, Mystery, 1978)
40		Decoder (Horror, Mystery, Sci-Fi, 1984)
40		Brain Dead (Horror, Mystery, Sci-Fi, 1990)
40		Apollo 18 (Horror, Mystery, Sci-Fi, 2011)
40		Strange Invaders (Horror, Mystery, Sci-Fi, 1983)
40		Demonwarp (Horror, Mystery, Sci-Fi, 1988)
40		Quarantine 2: Terminal (Horror, Mystery, Sci-Fi, 2011)
40		Impulse (Horror, Mystery, Sci-Fi, 1984)
40		The Thing (Horror, Mystery, Sci-Fi, 2011)
40		The Supernaturals (Horror, Mystery, Sci-Fi, 1986)
40		Evidence (Horror, Mystery, Sci-Fi, 2012)
40		Altitude (Horror, Mystery, Sci-Fi, 2010)
40		Chernobyl Diaries (Horror, Mystery, Sci-Fi, 2012)
40		Shadowglade (Horror, Mystery, Sci-Fi, 2015)
40		Halloween III: Season of the Witch (Horror, Mystery, Sci-Fi, 1982)
39		Destination Inner Space (Sci-Fi, Thriller, 1966)
37		The Frozen Dead (Sci-Fi, Horror, 1966)
35		Gui si (Drama, Horror, Mystery, Sci-Fi, 2006)
35		Nobody (Crime, Horror, Mystery, Sci-Fi, 2007)
35		Willard (Horror, Sci-Fi, 1971)
35		Curse of the Fly (Drama, Horror, Mystery, Sci-Fi, 1965)
35		The Invisible Man Returns (Drama, Horror, Mystery, Sci-Fi, 1940)
34		The Leech Woman (Horror, Sci-Fi, 1960)
34		The Monster of Piedras Blancas (Horror, Sci-Fi, 1959)
34		Twice-Told Tales (Horror, Mystery, Romance, Sci-Fi, 1963)
34		The Creeping Flesh (Horror, Sci-Fi, 1973)
34		The Crazies (Action, Horror, Sci-Fi, 1973)
34		Soylent Green (Mystery, Sci-Fi, Thriller, 1973)
34		Twelve Monkeys (Mystery, Sci-Fi, Thriller, 1995)
33		The Curse of Frankenstein (Horror, Sci-Fi, 1957)
33		I Was a Teenage Frankenstein (Horror, Sci-Fi, 1957)
33		2001: A Space Odyssey (Adventure, Mystery, Sci-Fi, 1968)
33		She Demons (Horror, Sci-Fi, 1958)
33		Ex Machina (Drama, Mystery, Sci-Fi, 2015)
33		Minority Report (Action, Mystery, Sci-Fi, 2002)
32		Island Claws (Horror, Sci-Fi, 1980)
32		The Satan Bug (Crime, Mystery, Sci-Fi, 1965)
32		Death Street USA (Action, Sci-Fi, Horror, 1988)
32		Blood Beast from Outer Space (Horror, Sci-Fi, 1965)
32		Silent Rage (Action, Horror, Sci-Fi, 1982)
32		Lone Wolf (Horror, Sci-Fi, 1988)
32		Repo! The Genetic Opera (Horror, Musical, Sci-Fi, 2008)
32		Night Shadows (Horror, Sci-Fi, Thriller, 1984)
32		Disconnect (Drama, Mystery, Sci-Fi, 2010)
32		Scared to Death (Horror, Sci-Fi, 1980)
32		Last Woman on Earth (Drama, Horror, Mystery, Sci-Fi, 1960)
32		Sting of Death (Horror, Sci-Fi, 1965)
32		Evolver (Action, Horror, Sci-Fi, 1995)
32		The Collective (Horror, Sci-Fi, Thriller, 2011)
32		Unforgettable (Drama, Mystery, Sci-Fi, 1996)
32		Predator 2 (Action, Horror, Sci-Fi, 1990)
32		Deadly Friend (Drama, Horror, Sci-Fi, 1986)
32		Almost Human (Horror, Sci-Fi, Thriller, 2013)
32		Demon Seed (Horror, Sci-Fi, 1977)
32		God Told Me To (Crime, Horror, Sci-Fi, 1976)
32		Frogs (Horror, Mystery, Romance, Sci-Fi, 1972)
32		The Medusa Touch (Horror, Sci-Fi, 1978)
32		Iodine (Drama, Mystery, Sci-Fi, 2009)
32		It! (Horror, Sci-Fi, 1967)
32		The Dark (Horror, Sci-Fi, 1979)
32		Queen of Blood (Horror, Sci-Fi, 1966)
32		The Devil-Doll (Sci-Fi, Horror, 1936)
32		The Walking Dead (Crime, Horror, Sci-Fi, 1936)
32		The Remnant (Horror, Sci-Fi, Thriller, 2001)
32		Willard (Drama, Horror, Sci-Fi, 2003)
32		The Purge: Election Year (Action, Horror, Sci-Fi, 2016)
32		Paycheck (Action, Mystery, Sci-Fi, 2003)
32		I, Robot (Action, Mystery, Sci-Fi, 2004)
32		Blade II (Action, Horror, Sci-Fi, 2002)
32		Son of Frankenstein (Sci-Fi, Horror, Drama, 1939)
32		The 6th Day (Action, Mystery, Sci-Fi, 2000)
32		Donovan's Brain (Sci-Fi, Horror, 1953)
32		Possible Worlds (Mystery, Sci-Fi, Crime, 2000)
32		6 Hours to Live (Drama, Mystery, Sci-Fi, 1932)
32		The Werewolf (Sci-Fi, Horror, 1956)
32		Driller (Horror, Sci-Fi, 2006)
31		Frankenstein Must Be Destroyed (Horror, Drama, Sci-Fi, 1969)
31		Children of the Damned (Horror, Sci-Fi, 1964)
31		Unearthly Stranger (Horror, Sci-Fi, 1963)
31		Mad Doctor of Blood Island (Adventure, Horror, Sci-Fi, 1968)
31		Goke, Body Snatcher from Hell (Horror, Sci-Fi, 1968)
31		Project X (Mystery, Sci-Fi, 1968)
31		Brides of Blood (Horror, Sci-Fi, 1968)
31		The Earth Dies Screaming (Horror, Sci-Fi, 1964)
31		The Last Man on Earth (Horror, Sci-Fi, 1964)
31		The Green Slime (Drama, Horror, Sci-Fi, 1968)
31		X: The Man with the X-Ray Eyes (Horror, Sci-Fi, Thriller, 1963)
30		Circle (Drama, Horror, Mystery, Sci-Fi, 2015)
30		The Lost Face (Drama, Horror, Mystery, Sci-Fi, 2001)
30		The Shaft (Action, Horror, Mystery, Sci-Fi, 2001)
30		The Vampire Bat (Drama, Horror, Mystery, Sci-Fi, 1933)
30		One Point O (Drama, Horror, Mystery, Sci-Fi, 2004)
30		The Toy Box (Horror, Sci-Fi, 1971)
30		House of VHS (Fantasy, Horror, Mystery, Sci-Fi, 2016)
30		10 Cloverfield Lane (Drama, Horror, Mystery, Sci-Fi, 2016)
30		Pandorum (Action, Horror, Mystery, Sci-Fi, 2009)
30		A Blind Bargain (Drama, Horror, Mystery, Sci-Fi, 1922)
30		The Creature Below (Horror, Sci-Fi, 2016)
30		Skinwalker Ranch (Biography, Horror, Mystery, Sci-Fi, 2013)
30		Unknown Project (Horror, Mystery, Romance, Sci-Fi, 2013)
30		The Horror of Frankenstein (Drama, Horror, Sci-Fi, 1970)
30		Creatures the World Forgot (Adventure, Horror, Sci-Fi, 1971)
30		Leviathan (Adventure, Horror, Mystery, Sci-Fi, 1989)
30		Arrival (Drama, Mystery, Sci-Fi, 2016)
30		The Resurrection of Zachary Wheeler (Sci-Fi, Mystery, Thriller, 1971)
30		The Color Out of Space (Drama, Horror, Mystery, Sci-Fi, 2010)
30		Dr Jekyll & Sister Hyde (Horror, Sci-Fi, 1971)
30		Universal Soldier: Day of Reckoning (Action, Horror, Mystery, Sci-Fi, 2012)
30		The Forgotten (Drama, Horror, Mystery, Sci-Fi, 2004)
30		Hand of Death (Horror, Sci-Fi, 1962)
30		Panic in Year Zero! (Horror, Sci-Fi, Thriller, 1962)
30		Reptilicus (Action, Horror, Sci-Fi, 1961)
30		Murder by Phone (Horror, Thriller, Mystery, Sci-Fi, 1982)
30		Encounters (Crime, Horror, Mystery, Sci-Fi, 2012)
30		The Day of the Triffids (Horror, Sci-Fi, 1962)
30		The Brain That Wouldn't Die (Horror, Sci-Fi, 1962)
30		Dr. Renault's Secret (Horror, Mystery, Romance, Sci-Fi, 1942)
30		Varan the Unbelievable (Horror, Sci-Fi, 1962)
29		The Wasp Woman (Horror, Sci-Fi, 1959)
29		Beyond Atlantis (Fantasy, Horror, Sci-Fi, 1973)
29		Terror Is a Man (Horror, Romance, Sci-Fi, 1959)
29		Invisible Invaders (Sci-Fi, Horror, 1959)
29		4D Man (Sci-Fi, Horror, Romance, 1959)
29		Sssssss (Horror, Sci-Fi, 1973)
29		The Alligator People (Horror, Sci-Fi, 1959)
29		Horror Express (Horror, Sci-Fi, 1972)
29		Village of the Damned (Horror, Sci-Fi, 1960)
29		Invasion of the Bee Girls (Horror, Sci-Fi, 1973)
29		Plan 9 from Outer Space (Horror, Sci-Fi, 1959)
29		The Manster (Horror, Sci-Fi, 1959)
29		The Prestige (Drama, Mystery, Sci-Fi, 2006)
29		Alien (Horror, Sci-Fi, 1979)
29		The Man Who Could Cheat Death (Drama, Horror, Sci-Fi, 1959)
29		Night of the Lepus (Horror, Sci-Fi, Thriller, 1972)
29		Garden of the Dead (Sci-Fi, Horror, 1972)
29		First Man Into Space (Drama, Horror, Sci-Fi, 1959)
29		The Twilight People (Adventure, Horror, Sci-Fi, 1972)
29		The Hands of Orlac (Crime, Horror, Sci-Fi, 1960)
29		The Man with Two Heads (Horror, Sci-Fi, 1972)
29		The Incredible Shrinking Man (Drama, Horror, Sci-Fi, 1957)
29		The Asphyx (Horror, Sci-Fi, 1972)
29		Wonder Women (Action, Horror, Sci-Fi, 1973)
29		Doomwatch (Mystery, Sci-Fi, Thriller, 1972)
28		Invasion of the Body Snatchers (Horror, Sci-Fi, 1956)
28		Predator (Action, Horror, Sci-Fi, 1987)
28		Island of Lost Souls (Horror, Sci-Fi, 1932)
28		Shivers (Horror, Sci-Fi, 1975)
28		Horror Hotel the Movie (Horror, Sci-Fi, 2016)
28		28 Days Later... (Drama, Horror, Sci-Fi, 2002)
28		Moon (Drama, Mystery, Sci-Fi, 2009)
28		Black Moon (Fantasy, Mystery, Sci-Fi, 1975)
28		Lifespan (Drama, Mystery, Sci-Fi, 1975)
28		Mjesto na kojem je umro posljednji covjek (Drama, Horror, Sci-Fi, 2010)
28		Dr. Jekyll and Mr. Hyde (Horror, Sci-Fi, 1931)
28		The Monolith Monsters (Drama, Horror, Sci-Fi, 1957)
28		Phase IV (Horror, Sci-Fi, Thriller, 1974)
28		Who? (Mystery, Sci-Fi, Thriller, 1975)
28		Frankenstein (Drama, Horror, Sci-Fi, 1931)
28		The Mutations (Horror, Sci-Fi, 1974)
28		The Crawling Eye (Horror, Sci-Fi, 1958)
28		The Fly (Drama, Horror, Sci-Fi, 1958)
28		The Cyclops (Horror, Sci-Fi, 1957)
28		Frankenstein 1970 (Horror, Sci-Fi, 1958)
28		Enemy from Space (Sci-Fi, Horror, 1957)
28		I Married a Monster from Outer Space (Horror, Sci-Fi, 1958)
28		How to Make a Monster (Horror, Sci-Fi, 1958)
28		Monster on the Campus (Horror, Sci-Fi, 1958)
28		Fiend Without a Face (Horror, Sci-Fi, 1958)
28		Blood of the Vampire (Horror, Sci-Fi, 1958)
28		It! The Terror from Beyond Space (Horror, Sci-Fi, 1958)
28		20 Million Miles to Earth (Fantasy, Horror, Sci-Fi, 1957)
28		The Giant Claw (Fantasy, Horror, Sci-Fi, 1957)
28		The Spider (Horror, Sci-Fi, 1958)
28		The Monster That Challenged the World (Horror, Sci-Fi, 1957)
28		The Blob (Horror, Sci-Fi, 1958)
28		The Brain Eaters (Sci-Fi, Horror, 1958)
28		Curse of the Faceless Man (Adventure, Horror, Sci-Fi, 1958)
28		The Vampire (Horror, Sci-Fi, Thriller, 1957)
28		The Deadly Mantis (Horror, Sci-Fi, Thriller, 1957)
28		The Man Without a Body (Horror, Sci-Fi, 1957)
28		Not of This Earth (Horror, Sci-Fi, 1957)
28		Attack of the Puppet People (Sci-Fi, Horror, 1958)
28		The Woman Eater (Horror, Sci-Fi, 1958)
28		The Colossus of New York (Horror, Sci-Fi, 1958)
28		The Abominable Snowman (Adventure, Horror, Sci-Fi, 1957)
28		Attack of the Crab Monsters (Horror, Sci-Fi, 1957)
28		The Black Scorpion (Horror, Sci-Fi, 1957)
28		The Electronic Monster (Crime, Mystery, Sci-Fi, 1958)
28		The Cosmic Monster (Drama, Sci-Fi, Horror, 1958)
28		The Destructors (Sci-Fi, 1968)
28		The Unknown Terror (Horror, Sci-Fi, 1957)
28		The Man Who Turned to Stone (Horror, Sci-Fi, 1957)
28		Space Master X-7 (Horror, Sci-Fi, Thriller, 1958)
28		She Devil (Horror, Sci-Fi, 1957)
28		Attack of the 50 Foot Woman (Horror, Sci-Fi, 1958)
28		War of the Satellites (Horror, Sci-Fi, 1958)

Notes: Movies similar to Castle of Evil, Movies like Castle of Evil, Horror, Mystery, Sci-Fi, Francis D. Lyon, Scott Brady, Virginia Mayo, David Brian, Lisa Gaye, SF, Science Fiction, SciFi, Sci Fi, Films, Video, Movie Similarities