61		Demon Seed (Horror, Sci-Fi, 1977)
60		The Invisible Ray (Horror, Sci-Fi, Thriller, 1936)
58		The Island of Dr. Moreau (Adventure, Fantasy, Horror, 1977)
57		Altered States (Horror, Sci-Fi, Thriller, 1980)
57		Them! (Horror, Sci-Fi, 1954)
56		Embryo (Horror, Sci-Fi, 1976)
55		The Kindred (Horror, Sci-Fi, Thriller, 1987)
54		Five Million Years to Earth (Horror, Mystery, Sci-Fi, 1967)
52		The Thing from Another World (Horror, Sci-Fi, 1951)
52		Tarantula (Horror, Sci-Fi, 1955)
52		Bug (Sci-Fi, Horror, Mystery, 1975)
50		The Mad Ghoul (Horror, Sci-Fi, Thriller, 1943)
50		Cabin Fever: Patient Zero (Horror, Sci-Fi, Thriller, 2014)
50		The Deadly Mantis (Horror, Sci-Fi, Thriller, 1957)
48		Frankenstein (Drama, Horror, Sci-Fi, 1931)
47		Man Made Monster (Drama, Horror, Sci-Fi, 1941)
47		The Creeping Flesh (Horror, Sci-Fi, 1973)
47		The Cosmic Monster (Drama, Sci-Fi, Horror, 1958)
47		The Devil Bat (Horror, Sci-Fi, 1940)
47		The Lawnmower Man (Horror, Sci-Fi, 1992)
47		Invasion of the Bee Girls (Horror, Sci-Fi, 1973)
47		Sssssss (Horror, Sci-Fi, 1973)
47		The Mutations (Horror, Sci-Fi, 1974)
46		The Hills Have Eyes (Horror, Thriller, 1977)
45		X: The Man with the X-Ray Eyes (Horror, Sci-Fi, Thriller, 1963)
45		It Conquered the World (Horror, Sci-Fi, Thriller, 1956)
45		Area 51 (Horror, Sci-Fi, Thriller, 2015)
44		The Fly (Drama, Fantasy, Horror, 1958)
44		Wolfen (Horror, Thriller, 1981)
44		Day of the Animals (Horror, Sci-Fi, Thriller, 1977)
44		Island Claws (Horror, Sci-Fi, 1980)
44		Night of the Lepus (Horror, Sci-Fi, Thriller, 1972)
44		The Premonition (Horror, Sci-Fi, Thriller, 1976)
43		The Frozen Dead (Sci-Fi, Horror, 1966)
43		Dr. Jekyll and Mr. Hyde (Horror, Sci-Fi, 1931)
42		Dr. Jekyll and Mr. Hyde (Drama, Horror, Sci-Fi, 1920)
42		Return of the Ape Man (Horror, Romance, Sci-Fi, 1944)
42		Species (Action, Horror, Sci-Fi, 1995)
42		The Crazies (Action, Horror, Sci-Fi, 1973)
42		The Fly (Drama, Horror, Sci-Fi, 1986)
42		Captive Wild Woman (Horror, Sci-Fi, 1943)
42		Roger Corman's Frankenstein Unbound (Drama, Horror, Sci-Fi, 1990)
42		Attack of the Crab Monsters (Horror, Sci-Fi, 1957)
42		The Man from Planet X (Horror, Romance, Sci-Fi, 1951)
42		Hollow Man (Action, Horror, Sci-Fi, 2000)
42		The Thing (Horror, Mystery, Sci-Fi, 2011)
42		Another World (Action, Horror, Sci-Fi, 2014)
42		The Mask of Fu Manchu (Adventure, Horror, Sci-Fi, 1932)
42		The Devil Commands (Horror, Sci-Fi, 1941)
41		Enter the Devil (Horror, Thriller, Western, 1972)
41		Terror of Frankenstein (Horror, Sci-Fi, 1977)
41		The Dead Zone (Horror, Sci-Fi, Thriller, 1983)
40		Savage (Horror, Sci-Fi, Thriller, 2011)
40		Antiviral (Horror, Sci-Fi, Thriller, 2012)
40		The Ghostmaker (Horror, Sci-Fi, Thriller, 2012)
40		State of Emergency (Horror, Sci-Fi, Thriller, 2011)
40		Unaware (Horror, Sci-Fi, Thriller, 2010)
40		Eyes in the Dark (Horror, Sci-Fi, Thriller, 2010)
40		Night Shadows (Horror, Sci-Fi, Thriller, 1984)
40		Pickman's Muse (Horror, Sci-Fi, Thriller, 2010)
40		Super Hybrid (Horror, Sci-Fi, Thriller, 2010)
40		Specter (Horror, Sci-Fi, Thriller, 2012)
40		The Millennium Bug (Horror, Sci-Fi, Thriller, 2011)
40		The Last Days on Mars (Horror, Sci-Fi, Thriller, 2013)
40		Man Vs. (Horror, Sci-Fi, Thriller, 2015)
40		Infini (Horror, Sci-Fi, Thriller, 2015)
40		Containment (Horror, Sci-Fi, Thriller, 2015)
40		Panic in Year Zero! (Horror, Sci-Fi, Thriller, 1962)
40		Space Master X-7 (Horror, Sci-Fi, Thriller, 1958)
40		Cell (Horror, Sci-Fi, Thriller, 2016)
40		Frankenstein Must Be Destroyed (Horror, Drama, Sci-Fi, 1969)
40		Plan 9 (Horror, Sci-Fi, Thriller, 2015)
40		2084 (Horror, Sci-Fi, Thriller, 2009)
40		The Purge (Horror, Sci-Fi, Thriller, 2013)
40		Patrick (Horror, Sci-Fi, Thriller, 2013)
40		Almost Human (Horror, Sci-Fi, Thriller, 2013)
40		Alien Abduction (Horror, Sci-Fi, Thriller, 2014)
40		Dark Mountain (Horror, Sci-Fi, Thriller, 2013)
40		Dark Skies (Horror, Sci-Fi, Thriller, 2013)
40		The Blob (Horror, Sci-Fi, Thriller, 1988)
40		Asylum (Horror, Sci-Fi, Thriller, 2008)
40		The Cell (Horror, Sci-Fi, Thriller, 2000)
40		Kaw (Horror, Sci-Fi, Thriller, 2007)
40		Supernova (Horror, Sci-Fi, Thriller, 2000)
40		Komodo (Horror, Sci-Fi, Thriller, 1999)
40		eXistenZ (Horror, Sci-Fi, Thriller, 1999)
40		The Objective (Horror, Sci-Fi, Thriller, 2008)
40		Anatomie 2 (Horror, Sci-Fi, Thriller, 2003)
40		Endangered Species (Horror, Sci-Fi, Thriller, 2003)
40		Mulberry St (Horror, Sci-Fi, Thriller, 2006)
40		The Hunt (Horror, Sci-Fi, Thriller, 2006)
40		The Signal (Horror, Sci-Fi, Thriller, 2007)
40		Isolation (Horror, Sci-Fi, Thriller, 2005)
40		Guardian of the Realm (Sci-Fi, Horror, Thriller, 2004)
40		Night Skies (Horror, Sci-Fi, Thriller, 2007)
40		Progeny (Horror, Sci-Fi, Thriller, 1998)
40		Phantoms (Horror, Sci-Fi, Thriller, 1998)
40		Dead Air (Horror, Sci-Fi, Thriller, 2009)
40		Mindwarp (Horror, Sci-Fi, Thriller, 1992)
40		Body Snatchers (Sci-Fi, Horror, Thriller, 1993)
40		Beacon77 (Horror, Sci-Fi, Thriller, 2009)
40		Spontaneous Combustion (Horror, Sci-Fi, Thriller, 1990)
40		They Live (Horror, Sci-Fi, Thriller, 1988)
40		Primal Rage (Horror, Sci-Fi, Thriller, 1988)
40		The Thaw (Horror, Sci-Fi, Thriller, 2009)
40		Splinter (Horror, Sci-Fi, Thriller, 2008)
40		The Island of Dr. Moreau (Horror, Sci-Fi, Thriller, 1996)
40		Event Horizon (Horror, Sci-Fi, Thriller, 1997)
40		Quarantine (Horror, Sci-Fi, Thriller, 2008)
40		Village of the Damned (Horror, Sci-Fi, Thriller, 1995)
40		Ghost in the Machine (Horror, Sci-Fi, Thriller, 1993)
40		The Puppet Masters (Horror, Sci-Fi, Thriller, 1994)
40		Altered (Horror, Sci-Fi, Thriller, 2006)
40		The Rage: Carrie 2 (Horror, Sci-Fi, Thriller, 1999)
40		The Lady and the Monster (Horror, Sci-Fi, Thriller, 1944)
40		The Vampire (Horror, Sci-Fi, Thriller, 1957)
39		Dr. Renault's Secret (Horror, Mystery, Romance, 1942)
39		Nightmare City (Action, Horror, Sci-Fi, 1980)
39		Scanners (Action, Horror, Sci-Fi, 1981)
39		Strange Behavior (Horror, Mystery, Sci-Fi, 1981)
39		Island of the Burning Damned (Horror, Mystery, Sci-Fi, 1967)
38		Dr. Black, Mr. Hyde (Horror, 1976)
38		Peeping Tom (Drama, Horror, Thriller, 1960)
38		Swamp Thing (Horror, Sci-Fi, 1982)
37		Resident Evil: Extinction (Action, Horror, Sci-Fi, 2007)
37		Southbound (Fantasy, Horror, Thriller, 2015)
37		The Brain That Wouldn't Die (Horror, Sci-Fi, 1962)
37		Children of the Damned (Horror, Sci-Fi, 1964)
37		The Lazarus Effect (Horror, Mystery, Sci-Fi, 2015)
37		Godzilla, King of the Monsters! (Action, Horror, Sci-Fi, 1956)
37		I Am Legend (Drama, Horror, Sci-Fi, 2007)
37		Creature with the Atom Brain (Crime, Horror, Sci-Fi, 1955)
37		Jason Lives: Friday the 13th Part VI (Horror, Thriller, 1986)
37		Steel and Lace (Action, Horror, Sci-Fi, 1991)
37		Exquisite Corpse (Horror, Romance, Thriller, 2010)
37		The Jade Mask (Horror, Mystery, Sci-Fi, 1945)
37		Son of Frankenstein (Sci-Fi, Horror, Drama, 1939)
37		Prom Night IV: Deliver Us from Evil (Horror, Thriller, 1992)
37		Project: Metalbeast (Horror, Sci-Fi, 1995)
37		Dark Breed (Action, Horror, Sci-Fi, 1996)
37		Jason X (Action, Horror, Sci-Fi, 2001)
37		Nine Miles Down (Horror, Mystery, Thriller, 2009)
37		Creature from the Black Lagoon (Horror, Sci-Fi, 1954)
37		4D Man (Sci-Fi, Horror, Romance, 1959)
37		Slugs (Horror, Sci-Fi, 1988)
37		Donovan's Brain (Sci-Fi, Horror, 1953)
37		Blade II (Action, Horror, Sci-Fi, 2002)
37		Carriers (Drama, Horror, Sci-Fi, 2009)
37		No Man's Land: The Rise of Reeker (Horror, Thriller, 2008)
37		This Island Earth (Horror, Mystery, Sci-Fi, 1955)
37		I Was a Teenage Frankenstein (Horror, Sci-Fi, 1957)
37		The Colossus of New York (Horror, Sci-Fi, 1958)
37		The Man Who Could Cheat Death (Drama, Horror, Sci-Fi, 1959)
37		The Monolith Monsters (Drama, Horror, Sci-Fi, 1957)
36		Frankenstein Created Woman (Horror, 1967)
35		The Bermuda Triangle (Horror, Sci-Fi, Mystery, 1978)
34		The Hills Have Eyes II (Horror, 2007)
34		The Revenge of Frankenstein (Horror, 1958)
34		Dreamscape (Action, Adventure, Horror, 1984)
33		28 Days Later... (Drama, Horror, Sci-Fi, 2002)
33		Rattlers (Horror, 1976)
33		She Beast (Horror, Thriller, 1966)
33		Hands of the Ripper (Horror, 1971)
33		The Incredible Shrinking Man (Drama, Horror, Sci-Fi, 1957)
32		Wicked, Wicked (Horror, Mystery, Thriller, 1973)
32		Black Christmas (Horror, Mystery, Thriller, 1974)
32		The Baby (Horror, Thriller, 1973)
32		Revenge of the Creature (Horror, Sci-Fi, 1955)
32		The Forgotten (Horror, Thriller, 1973)
32		Wonder Women (Action, Horror, Sci-Fi, 1973)
32		Alien (Horror, Sci-Fi, 1979)
32		Enemy from Space (Sci-Fi, Horror, 1957)
32		It Came from Beneath the Sea (Horror, Sci-Fi, 1955)
32		Victor Frankenstein (Drama, Horror, Sci-Fi, 2015)
32		Seven Dead in the Cat's Eye (Horror, Mystery, Thriller, 1973)
32		Warlock Moon (Horror, Thriller, 1973)
32		Inn of the Damned (Horror, Western, Thriller, 1975)
32		Psychic Killer (Thriller, Horror, 1975)
32		Forced Entry (Horror, Thriller, 1975)
32		Shivers (Horror, Sci-Fi, 1975)
32		Race with the Devil (Action, Horror, Thriller, 1975)
32		The Spiral Staircase (Horror, Mystery, Thriller, 1975)
32		The Stepford Wives (Horror, Mystery, Sci-Fi, 1975)
32		The Ghoul (Horror, Thriller, 1975)
32		Criminally Insane (Horror, Thriller, 1975)
32		Memory (Drama, Horror, Thriller, 2006)
32		The Texas Chain Saw Massacre (Horror, Thriller, 1974)
32		The Pyx (Horror, Thriller, Crime, 1973)
32		Night Watch (Horror, Mystery, Thriller, 1973)
32		Beyond Atlantis (Fantasy, Horror, Sci-Fi, 1973)
32		Bell from Hell (Horror, Thriller, 1973)
32		Dark Places (Horror, Romance, Thriller, 1973)
32		Don't Look Now (Drama, Horror, Thriller, 1973)
32		The Candy Snatchers (Crime, Horror, Thriller, 1973)
32		Deliver Us from Evil (Horror, Mystery, Thriller, 2014)
32		Metamorphosis: The Alien Factor (Horror, Sci-Fi, 1990)
32		Reptilicus (Action, Horror, Sci-Fi, 1961)
32		Mirage (Action, Horror, Thriller, 1990)
32		It Came from Outer Space (Horror, Sci-Fi, 1953)
32		Deranged: Confessions of a Necrophile (Drama, Horror, Thriller, 1974)
32		Wendigo (Horror, Mystery, Thriller, 2001)
32		Deadfall Trail (Horror, Thriller, 2009)
32		Phantasm IV: Oblivion (Fantasy, Horror, Sci-Fi, 1998)
32		Flight of the Living Dead (Action, Horror, Sci-Fi, 2007)
32		The Abominable Snowman (Adventure, Horror, Sci-Fi, 1957)
32		The Unknown Terror (Horror, Sci-Fi, 1957)
32		Invisible: The Chronicles of Benjamin Knight (Action, Horror, Sci-Fi, 1993)
32		Impulse (Horror, Thriller, 1974)
32		Alien: Resurrection (Action, Horror, Sci-Fi, 1997)
32		The Swarm (Horror, 1978)
32		The Girl with All the Gifts (Drama, Horror, Thriller, 2016)
32		Hand of Death (Horror, Sci-Fi, 1962)
32		The Cannibal in the Jungle (Crime, Horror, Sci-Fi, 2015)
32		The Monster That Challenged the World (Horror, Sci-Fi, 1957)
32		The Bone Snatcher (Horror, Sci-Fi, 2003)
32		Persecution (Drama, Horror, Thriller, 1974)
32		Godzilla 1985 (Action, Horror, Sci-Fi, 1984)
32		Voices (Drama, Horror, Thriller, 1973)
32		Scream and Scream Again (Crime, Drama, Horror, 1970)
32		Beaks: The Movie (Horror, Thriller, 1987)
32		The Skeptic (Horror, Thriller, 2009)
32		Contracted: Phase II (Drama, Horror, Thriller, 2015)
32		DeepStar Six (Action, Horror, Sci-Fi, 1989)
32		Splice (Drama, Horror, Sci-Fi, 2009)
32		Route 666 (Action, Horror, Thriller, 2001)
32		Don't Hang Up (Horror, Thriller, 1974)
32		The Man Without a Body (Horror, Sci-Fi, 1957)
32		Scum of the Earth (Drama, Horror, Thriller, 1974)

Notes: Movies similar to Phase IV, Movies like Phase IV, Horror, Sci-Fi, Thriller, Saul Bass, Nigel Davenport, Michael Murphy, Lynne Frederick, Alan Gifford, Films, Video, Movie Similarities