75		The Return of Doctor X (Horror, Mystery, Sci-Fi, 1939)
70		X: The Man with the X-Ray Eyes (Horror, Sci-Fi, Thriller, 1963)
67		Captive Wild Woman (Horror, Sci-Fi, 1943)
67		The Invisible Ray (Horror, Sci-Fi, Thriller, 1936)
62		Return of the Ape Man (Horror, Romance, Sci-Fi, 1944)
61		Man Made Monster (Drama, Horror, Sci-Fi, 1941)
61		The Devil Commands (Horror, Sci-Fi, 1941)
61		The Devil Bat (Horror, Sci-Fi, 1940)
59		Rocktober Blood (Horror, Music, 1984)
57		The Gamma People (Drama, Horror, Sci-Fi, 1956)
54		Dr. Renault's Secret (Horror, Mystery, Romance, 1942)
52		Creature with the Atom Brain (Crime, Horror, Sci-Fi, 1955)
50		The Kindred (Horror, Sci-Fi, Thriller, 1987)
50		Quarantine (Horror, Sci-Fi, Thriller, 2008)
50		The Man They Could Not Hang (Crime, Horror, Sci-Fi, 1939)
50		Altered States (Horror, Sci-Fi, Thriller, 1980)
50		Phase IV (Horror, Sci-Fi, Thriller, 1974)
49		Frankenstein Created Woman (Horror, 1967)
48		Dr. Jekyll and Mr. Hyde (Horror, Sci-Fi, 1931)
48		The Man from Planet X (Horror, Romance, Sci-Fi, 1951)
47		Monster on the Campus (Horror, Sci-Fi, 1958)
47		Trick 'r Treat (Horror, Thriller, 2007)
47		The Invisible Man's Revenge (Horror, Sci-Fi, 1944)
47		The Climax (Horror, Music, Thriller, 1944)
47		Five Million Years to Earth (Horror, Mystery, Sci-Fi, 1967)
47		4D Man (Sci-Fi, Horror, Romance, 1959)
47		X the Unknown (Horror, Sci-Fi, 1956)
47		Supernatural (Horror, Mystery, Thriller, 1933)
47		Tarantula (Horror, Sci-Fi, 1955)
47		The Fly (Drama, Horror, Sci-Fi, 1986)
47		The Prowler (Horror, Mystery, Thriller, 1981)
46		Before I Hang (Crime, Horror, Sci-Fi, 1940)
46		Dr. Jekyll and Mr. Hyde (Horror, Sci-Fi, 1941)
46		Black Friday (Drama, Horror, Sci-Fi, 1940)
45		Primal Rage (Horror, Sci-Fi, Thriller, 1988)
45		The Lady and the Monster (Horror, Sci-Fi, Thriller, 1944)
45		The Deadly Mantis (Horror, Sci-Fi, Thriller, 1957)
45		It Conquered the World (Horror, Sci-Fi, Thriller, 1956)
44		The Revenge of Frankenstein (Horror, 1958)
44		The Man Who Lived Again (Horror, Sci-Fi, 1936)
43		Mad Love (Horror, Romance, Sci-Fi, 1935)
43		Frankenstein (Drama, Horror, Sci-Fi, 1931)
42		The Frozen Dead (Sci-Fi, Horror, 1966)
42		Victor Frankenstein (Drama, Horror, Sci-Fi, 2015)
42		Another World (Action, Horror, Sci-Fi, 2014)
42		The Cosmic Monster (Drama, Sci-Fi, Horror, 1958)
42		The Lawnmower Man (Horror, Sci-Fi, 1992)
42		The Lazarus Effect (Horror, Mystery, Sci-Fi, 2015)
42		Psycho III (Horror, Mystery, Thriller, 1986)
42		Ghoul (Horror, Thriller, 2015)
42		Resident Evil (Action, Horror, Sci-Fi, 2002)
42		Corridors of Blood (Crime, Horror, Thriller, 1958)
42		Angel Heart (Horror, Mystery, Thriller, 1987)
42		Lifeforce (Action, Horror, Sci-Fi, 1985)
42		Fiend Without a Face (Horror, Sci-Fi, 1958)
42		The Last Man on Earth (Horror, Sci-Fi, 1964)
42		I Am Legend (Drama, Horror, Sci-Fi, 2007)
42		Voodoo (Horror, Thriller, 1995)
42		Deranged: Confessions of a Necrophile (Drama, Horror, Thriller, 1974)
42		Sssssss (Horror, Sci-Fi, 1973)
42		Roger Corman's Frankenstein Unbound (Drama, Horror, Sci-Fi, 1990)
42		The Mutations (Horror, Sci-Fi, 1974)
42		Terror of Frankenstein (Horror, Sci-Fi, 1977)
42		Embryo (Horror, Sci-Fi, 1976)
41		The Jade Mask (Horror, Mystery, Sci-Fi, 1945)
41		The Body Snatcher (Horror, Thriller, 1945)
40		Isolation (Horror, Sci-Fi, Thriller, 2005)
40		Almost Human (Horror, Sci-Fi, Thriller, 2013)
40		Dark Skies (Horror, Sci-Fi, Thriller, 2013)
40		Anatomie 2 (Horror, Sci-Fi, Thriller, 2003)
40		Phantoms (Horror, Sci-Fi, Thriller, 1998)
40		Infini (Horror, Sci-Fi, Thriller, 2015)
40		Super Hybrid (Horror, Sci-Fi, Thriller, 2010)
40		Event Horizon (Horror, Sci-Fi, Thriller, 1997)
40		Man Vs. (Horror, Sci-Fi, Thriller, 2015)
40		Area 51 (Horror, Sci-Fi, Thriller, 2015)
40		Savage (Horror, Sci-Fi, Thriller, 2011)
40		Splinter (Horror, Sci-Fi, Thriller, 2008)
40		Containment (Horror, Sci-Fi, Thriller, 2015)
40		The Purge (Horror, Sci-Fi, Thriller, 2013)
40		Body Snatchers (Sci-Fi, Horror, Thriller, 1993)
40		The Island of Dr. Moreau (Horror, Sci-Fi, Thriller, 1996)
40		Dead Air (Horror, Sci-Fi, Thriller, 2009)
40		The Premonition (Horror, Sci-Fi, Thriller, 1976)
40		The Last Days on Mars (Horror, Sci-Fi, Thriller, 2013)
40		The Blob (Horror, Sci-Fi, Thriller, 1988)
40		State of Emergency (Horror, Sci-Fi, Thriller, 2011)
40		The Objective (Horror, Sci-Fi, Thriller, 2008)
40		The Thaw (Horror, Sci-Fi, Thriller, 2009)
40		Patrick (Horror, Sci-Fi, Thriller, 2013)
40		Space Master X-7 (Horror, Sci-Fi, Thriller, 1958)
40		Pickman's Muse (Horror, Sci-Fi, Thriller, 2010)
40		Dark Mountain (Horror, Sci-Fi, Thriller, 2013)
40		Night Skies (Horror, Sci-Fi, Thriller, 2007)
40		The Dead Zone (Horror, Sci-Fi, Thriller, 1983)
40		Alien Abduction (Horror, Sci-Fi, Thriller, 2014)
40		The Cell (Horror, Sci-Fi, Thriller, 2000)
40		The Rage: Carrie 2 (Horror, Sci-Fi, Thriller, 1999)
40		Unaware (Horror, Sci-Fi, Thriller, 2010)
40		The Signal (Horror, Sci-Fi, Thriller, 2007)
40		Specter (Horror, Sci-Fi, Thriller, 2012)
40		Altered (Horror, Sci-Fi, Thriller, 2006)
40		Supernova (Horror, Sci-Fi, Thriller, 2000)
40		Komodo (Horror, Sci-Fi, Thriller, 1999)
40		The Vampire (Horror, Sci-Fi, Thriller, 1957)
40		Mulberry St (Horror, Sci-Fi, Thriller, 2006)
40		Village of the Damned (Horror, Sci-Fi, Thriller, 1995)
40		eXistenZ (Horror, Sci-Fi, Thriller, 1999)
40		Night Shadows (Horror, Sci-Fi, Thriller, 1984)
40		Ghost in the Machine (Horror, Sci-Fi, Thriller, 1993)
40		Spontaneous Combustion (Horror, Sci-Fi, Thriller, 1990)
40		They Live (Horror, Sci-Fi, Thriller, 1988)
40		Night of the Lepus (Horror, Sci-Fi, Thriller, 1972)
40		The Hunt (Horror, Sci-Fi, Thriller, 2006)
40		Plan 9 (Horror, Sci-Fi, Thriller, 2015)
40		Progeny (Horror, Sci-Fi, Thriller, 1998)
40		Panic in Year Zero! (Horror, Sci-Fi, Thriller, 1962)
40		Kaw (Horror, Sci-Fi, Thriller, 2007)
40		The Puppet Masters (Horror, Sci-Fi, Thriller, 1994)
40		Antiviral (Horror, Sci-Fi, Thriller, 2012)
40		Cabin Fever: Patient Zero (Horror, Sci-Fi, Thriller, 2014)
40		2084 (Horror, Sci-Fi, Thriller, 2009)
40		Day of the Animals (Horror, Sci-Fi, Thriller, 1977)
40		The Millennium Bug (Horror, Sci-Fi, Thriller, 2011)
40		Asylum (Horror, Sci-Fi, Thriller, 2008)
40		Son of Frankenstein (Sci-Fi, Horror, Drama, 1939)
40		Eyes in the Dark (Horror, Sci-Fi, Thriller, 2010)
40		Beacon77 (Horror, Sci-Fi, Thriller, 2009)
40		The Ghostmaker (Horror, Sci-Fi, Thriller, 2012)
40		Cell (Horror, Sci-Fi, Thriller, 2016)
40		Mindwarp (Horror, Sci-Fi, Thriller, 1992)
40		Endangered Species (Horror, Sci-Fi, Thriller, 2003)
40		Guardian of the Realm (Sci-Fi, Horror, Thriller, 2004)
39		Murders in the Rue Morgue (Crime, Horror, Mystery, 1932)
39		The Magician (Drama, Fantasy, Horror, 1926)
38		Dr. Cyclops (Adventure, Drama, Horror, 1940)
38		Grindhouse (Action, Horror, Thriller, 2007)
38		28 Days Later... (Drama, Horror, Sci-Fi, 2002)
38		The Thing from Another World (Horror, Sci-Fi, 1951)
38		Peeping Tom (Drama, Horror, Thriller, 1960)
37		Donovan's Brain (Sci-Fi, Horror, 1953)
37		Scanners (Action, Horror, Sci-Fi, 1981)
37		My Bloody Valentine (Horror, Mystery, Thriller, 1981)
37		The Bay (Horror, Mystery, Sci-Fi, 2012)
37		Frankenstein Must Be Destroyed (Horror, Drama, Sci-Fi, 1969)
37		The Inflicted (Horror, Thriller, 2012)
37		The Brain That Wouldn't Die (Horror, Sci-Fi, 1962)
37		Stir of Echoes (Horror, Mystery, Thriller, 1999)
37		Resident Evil: Extinction (Action, Horror, Sci-Fi, 2007)
37		Room 6 (Horror, Mystery, Thriller, 2006)
37		The Crazies (Horror, Thriller, 2010)
37		Demon Seed (Horror, Sci-Fi, 1977)
37		Open Grave (Horror, Mystery, Thriller, 2013)
37		Conjurer (Horror, Thriller, 2008)
37		Mystery of the Wax Museum (Horror, Mystery, Thriller, 1933)
37		The Thing (Horror, Mystery, Sci-Fi, 2011)
37		The Unseen (Horror, Thriller, 1980)
37		The Girl with All the Gifts (Drama, Horror, Thriller, 2016)
37		The Crazies (Action, Horror, Sci-Fi, 1973)
37		The Creeping Flesh (Horror, Sci-Fi, 1973)
37		Swamp Thing (Horror, Sci-Fi, 1982)
37		Dr. Jekyll and Mr. Hyde (Drama, Horror, Sci-Fi, 1920)
37		Flight of the Living Dead (Action, Horror, Sci-Fi, 2007)
37		Sisters (Horror, Thriller, 1972)
37		Bug (Sci-Fi, Horror, Mystery, 1975)
37		The Mephisto Waltz (Horror, Mystery, Thriller, 1971)
37		Hollow Man (Action, Horror, Sci-Fi, 2000)
37		Splice (Drama, Horror, Sci-Fi, 2009)
37		The Colossus of New York (Horror, Sci-Fi, 1958)
37		The Man Who Could Cheat Death (Drama, Horror, Sci-Fi, 1959)
37		From Beyond (Horror, Sci-Fi, 1986)
37		Cardiac Arrest (Crime, Horror, Thriller, 1980)
37		The Curse of Frankenstein (Horror, Sci-Fi, 1957)
37		Poltergeist (Horror, Thriller, 2015)
37		Attack of the Crab Monsters (Horror, Sci-Fi, 1957)
37		The Abominable Snowman (Adventure, Horror, Sci-Fi, 1957)
37		Godzilla, King of the Monsters! (Action, Horror, Sci-Fi, 1956)
37		The Boy (Horror, Mystery, Thriller, 2016)
37		Chemical Wedding (Horror, Mystery, Sci-Fi, 2008)
37		Revenge of the Creature (Horror, Sci-Fi, 1955)
37		Pathology (Crime, Horror, Thriller, 2008)
35		The Wicker Man (Horror, Mystery, 1973)
34		Gog (Drama, Horror, Romance, 1954)
34		Scream and Scream Again (Crime, Drama, Horror, 1970)
34		Dead & Buried (Horror, Mystery, 1981)
34		The Picture of Dorian Gray (Drama, Fantasy, Horror, 1945)
34		Curse of the Fly (Drama, Horror, Mystery, 1965)
34		Day of the Dead (Horror, 1985)
34		The Island of Dr. Moreau (Adventure, Fantasy, Horror, 1977)
34		City of the Living Dead (Horror, 1980)
33		Island of Lost Souls (Horror, Sci-Fi, 1932)
33		The Ape (Horror, 1940)
33		The Monster and the Girl (Crime, Drama, Horror, 1941)
32		Lord of Darkness (Horror, Thriller, 2012)
32		The Mummy's Curse (Fantasy, Horror, Thriller, 1944)
32		The Living Ghost (Horror, Mystery, Thriller, 1942)
32		Cat People (Fantasy, Horror, Thriller, 1942)
32		Night Monster (Horror, Mystery, Thriller, 1942)
32		The Skeptic (Horror, Thriller, 2009)
32		The Night Has Eyes (Horror, Mystery, Thriller, 1942)
32		Black Rainbow (Horror, Thriller, 1989)
32		The Monster Maker (Horror, Sci-Fi, 1944)
32		Bluebeard (Crime, Horror, Thriller, 1944)
32		The Leopard Man (Horror, Thriller, 1943)
32		Project: Metalbeast (Horror, Sci-Fi, 1995)
32		The Mysterious Doctor (Horror, Mystery, Thriller, 1943)
32		Frankenstein Meets the Wolf Man (Fantasy, Horror, Sci-Fi, 1943)
32		House of Frankenstein (Fantasy, Horror, Sci-Fi, 1944)
32		Alien: Resurrection (Action, Horror, Sci-Fi, 1997)
32		Steel and Lace (Action, Horror, Sci-Fi, 1991)
32		20 Million Miles to Earth (Fantasy, Horror, Sci-Fi, 1957)
32		Enemy from Space (Sci-Fi, Horror, 1957)
32		Flatliners (Drama, Horror, Sci-Fi, 1990)
32		The Ghoul (Horror, Thriller, 1975)
32		Slugs (Horror, Sci-Fi, 1988)
32		The Unknown Terror (Horror, Sci-Fi, 1957)
32		Svengali (Drama, Horror, Sci-Fi, 1931)
32		Shivers (Horror, Sci-Fi, 1975)
32		Expiration (Horror, Thriller, 2011)
32		The Candy Snatchers (Crime, Horror, Thriller, 1973)
32		Species (Action, Horror, Sci-Fi, 1995)
32		Man with Two Lives (Horror, Thriller, 1942)
32		Brain Dead (Horror, Mystery, Sci-Fi, 1990)
32		The Black Sleep (Horror, Sci-Fi, 1956)
32		The Ghost of Frankenstein (Drama, Horror, Sci-Fi, 1942)
32		Invasion of the Bee Girls (Horror, Sci-Fi, 1973)
32		Uninhabited (Horror, Thriller, 2010)
32		Eraserhead (Fantasy, Horror, Sci-Fi, 1977)
32		The Corpse Vanishes (Horror, Sci-Fi, 1942)
32		Memory (Drama, Horror, Thriller, 2006)
32		Firestarter (Action, Horror, Sci-Fi, 1984)
32		Unrest (Horror, Thriller, 2006)
32		Godzilla 1985 (Action, Horror, Sci-Fi, 1984)
32		This Island Earth (Horror, Mystery, Sci-Fi, 1955)
32		Reptilicus (Action, Horror, Sci-Fi, 1961)
32		Creature from the Black Lagoon (Horror, Sci-Fi, 1954)
32		The Cannibal in the Jungle (Crime, Horror, Sci-Fi, 2015)
32		Jason X (Action, Horror, Sci-Fi, 2001)
32		6 Souls (Horror, Mystery, Thriller, 2010)
32		Exquisite Corpse (Horror, Romance, Thriller, 2010)
32		Island Claws (Horror, Sci-Fi, 1980)
32		Children of the Damned (Horror, Sci-Fi, 1964)
32		Sole Survivor (Horror, Thriller, 1983)
32		The Earth Dies Screaming (Horror, Sci-Fi, 1964)
32		Invisible: The Chronicles of Benjamin Knight (Action, Horror, Sci-Fi, 1993)
32		Nightmare City (Action, Horror, Sci-Fi, 1980)
32		The Comeback (Horror, Mystery, Thriller, 1978)
32		Spring (Horror, Romance, Sci-Fi, 2014)
32		Island of the Burning Damned (Horror, Mystery, Sci-Fi, 1967)
32		Beaks: The Movie (Horror, Thriller, 1987)
32		The Monster That Challenged the World (Horror, Sci-Fi, 1957)
32		It Came from Beneath the Sea (Horror, Sci-Fi, 1955)

Notes: Movies similar to The Mad Ghoul, Movies like The Mad Ghoul, Horror, Sci-Fi, Thriller, James P. Hogan, David Bruce, Evelyn Ankers, George Zucco, Robert Armstrong, Films, Video, Movie Similarities