48		Supernova (Horror, Sci-Fi, Thriller, 2000)
46		5ive Girls (Horror, Thriller, 2006)
45		Endangered Species (Horror, Sci-Fi, Thriller, 2003)
45		Isolation (Horror, Sci-Fi, Thriller, 2005)
45		Anatomie 2 (Horror, Sci-Fi, Thriller, 2003)
44		The Hunt (Horror, Sci-Fi, Thriller, 2006)
44		Night Skies (Horror, Sci-Fi, Thriller, 2007)
44		Altered (Horror, Sci-Fi, Thriller, 2006)
44		The Signal (Horror, Sci-Fi, Thriller, 2007)
44		Mulberry St (Horror, Sci-Fi, Thriller, 2006)
44		Kaw (Horror, Sci-Fi, Thriller, 2007)
43		Asylum (Horror, Sci-Fi, Thriller, 2008)
43		Dead Air (Horror, Sci-Fi, Thriller, 2009)
43		The Objective (Horror, Sci-Fi, Thriller, 2008)
43		The Thaw (Horror, Sci-Fi, Thriller, 2009)
43		Komodo (Horror, Sci-Fi, Thriller, 1999)
43		The Rage: Carrie 2 (Horror, Sci-Fi, Thriller, 1999)
43		Splinter (Horror, Sci-Fi, Thriller, 2008)
43		2084 (Horror, Sci-Fi, Thriller, 2009)
43		eXistenZ (Horror, Sci-Fi, Thriller, 1999)
43		Beacon77 (Horror, Sci-Fi, Thriller, 2009)
43		Quarantine (Horror, Sci-Fi, Thriller, 2008)
43		The Cell (Horror, Sci-Fi, Thriller, 2000)
42		The Millennium Bug (Horror, Sci-Fi, Thriller, 2011)
42		Super Hybrid (Horror, Sci-Fi, Thriller, 2010)
42		State of Emergency (Horror, Sci-Fi, Thriller, 2011)
42		Progeny (Horror, Sci-Fi, Thriller, 1998)
42		Savage (Horror, Sci-Fi, Thriller, 2011)
42		Eternal (Horror, Mystery, Thriller, 2004)
42		Wilderness Survival for Girls (Drama, Horror, Thriller, 2004)
42		Phantoms (Horror, Sci-Fi, Thriller, 1998)
42		Unaware (Horror, Sci-Fi, Thriller, 2010)
42		Event Horizon (Horror, Sci-Fi, Thriller, 1997)
42		Eyes in the Dark (Horror, Sci-Fi, Thriller, 2010)
42		Pickman's Muse (Horror, Sci-Fi, Thriller, 2010)
41		The Ghostmaker (Horror, Sci-Fi, Thriller, 2012)
41		Almost Human (Horror, Sci-Fi, Thriller, 2013)
41		Village of the Damned (Horror, Sci-Fi, Thriller, 1995)
41		Dark Mountain (Horror, Sci-Fi, Thriller, 2013)
41		Driller (Horror, Sci-Fi, 2006)
41		The Island of Dr. Moreau (Horror, Sci-Fi, Thriller, 1996)
41		The Last Days on Mars (Horror, Sci-Fi, Thriller, 2013)
41		Patrick (Horror, Sci-Fi, Thriller, 2013)
41		The Purge (Horror, Sci-Fi, Thriller, 2013)
41		Specter (Horror, Sci-Fi, Thriller, 2012)
41		Antiviral (Horror, Sci-Fi, Thriller, 2012)
41		Dark Skies (Horror, Sci-Fi, Thriller, 2013)
40		The Vampire (Horror, Sci-Fi, Thriller, 1957)
40		It Conquered the World (Horror, Sci-Fi, Thriller, 1956)
40		The Premonition (Horror, Sci-Fi, Thriller, 1976)
40		The Deadly Mantis (Horror, Sci-Fi, Thriller, 1957)
40		Day of the Animals (Horror, Sci-Fi, Thriller, 1977)
40		The Puppet Masters (Horror, Sci-Fi, Thriller, 1994)
40		Body Snatchers (Sci-Fi, Horror, Thriller, 1993)
40		Ghost in the Machine (Horror, Sci-Fi, Thriller, 1993)
40		The Kindred (Horror, Sci-Fi, Thriller, 1987)
40		Andromina: The Pleasure Planet (Fantasy, Horror, Sci-Fi, 1999)
40		Night of the Lepus (Horror, Sci-Fi, Thriller, 1972)
40		Mindwarp (Horror, Sci-Fi, Thriller, 1992)
40		Space Master X-7 (Horror, Sci-Fi, Thriller, 1958)
40		Night Shadows (Horror, Sci-Fi, Thriller, 1984)
40		Plan 9 (Horror, Sci-Fi, Thriller, 2015)
40		The Invisible Ray (Horror, Sci-Fi, Thriller, 1936)
40		Cabin Fever: Patient Zero (Horror, Sci-Fi, Thriller, 2014)
40		X: The Man with the X-Ray Eyes (Horror, Sci-Fi, Thriller, 1963)
40		Truth About Demons (Horror, Thriller, Fantasy, 2000)
40		Infini (Horror, Sci-Fi, Thriller, 2015)
40		Area 51 (Horror, Sci-Fi, Thriller, 2015)
40		Cell (Horror, Sci-Fi, Thriller, 2016)
40		Containment (Horror, Sci-Fi, Thriller, 2015)
40		Man Vs. (Horror, Sci-Fi, Thriller, 2015)
40		Altered States (Horror, Sci-Fi, Thriller, 1980)
40		Panic in Year Zero! (Horror, Sci-Fi, Thriller, 1962)
40		Alien Abduction (Horror, Sci-Fi, Thriller, 2014)
40		The Lady and the Monster (Horror, Sci-Fi, Thriller, 1944)
40		The Blob (Horror, Sci-Fi, Thriller, 1988)
40		Phase IV (Horror, Sci-Fi, Thriller, 1974)
40		They Live (Horror, Sci-Fi, Thriller, 1988)
40		Primal Rage (Horror, Sci-Fi, Thriller, 1988)
40		The Dead Zone (Horror, Sci-Fi, Thriller, 1983)
40		Spontaneous Combustion (Horror, Sci-Fi, Thriller, 1990)
40		The Mad Ghoul (Horror, Sci-Fi, Thriller, 1943)
38		Night of the Scarecrow (Horror, Sci-Fi, 1995)
37		Dominion: Prequel to the Exorcist (Drama, Horror, Thriller, 2005)
37		Inheritance (Drama, Horror, Thriller, 2004)
37		An American Haunting (Horror, Mystery, Thriller, 2005)
37		Descendant (Horror, Thriller, 2003)
37		Dead Birds (Horror, Thriller, Western, 2004)
37		Alien Prey (Horror, Sci-Fi, 1977)
37		Night Trap (Horror, Thriller, 1993)
37		The Exorcism of Emily Rose (Drama, Horror, Thriller, 2005)
37		Faceless (Horror, Thriller, 1987)
37		Evil Remains (Horror, Thriller, 2004)
37		The House on Sorority Row (Horror, Mystery, Thriller, 1983)
37		Final Destination 2 (Horror, Thriller, 2003)
37		Exeter (Horror, Mystery, Thriller, 2015)
36		End of the Line (Horror, Thriller, 2007)
36		Mustang Sally (Action, Horror, Thriller, 2006)
36		Night Junkies (Horror, Romance, Thriller, 2007)
36		The Cradle (Horror, Thriller, 2007)
36		The Wisher (Horror, Thriller, 2002)
36		Room 6 (Horror, Mystery, Thriller, 2006)
36		Turistas (Horror, Mystery, Thriller, 2006)
36		The Darkroom (Horror, Mystery, Thriller, 2006)
35		Blood: The Last Vampire (Action, Horror, Thriller, 2009)
35		Farm House (Horror, Mystery, Thriller, 2008)
35		Midnight Movie (Horror, Thriller, 2008)
35		Kill Theory (Horror, Thriller, 2009)
35		Pig Hunt (Action, Horror, Thriller, 2008)
35		Run! Bitch Run! (Horror, Thriller, 2009)
35		Murder Loves Killers Too (Horror, Thriller, 2009)
34		Species II (Action, Horror, Sci-Fi, 1998)
34		Red White & Blue (Drama, Horror, Thriller, 2010)
34		Shadow Builder (Action, Horror, Thriller, 1998)
34		The Presence (Drama, Horror, Thriller, 2010)
34		Phantasm IV: Oblivion (Fantasy, Horror, Sci-Fi, 1998)
34		I Spit on Your Grave (Horror, Thriller, 2010)
34		Psycho Sisters (Horror, Thriller, 1998)
33		The Sacred (Horror, Thriller, 2012)
33		Last Gasp (Horror, Thriller, 1995)
33		Shadow: Dead Riot (Action, Horror, 2006)
33		Under the Skin (Drama, Horror, Sci-Fi, 2013)
33		Nurse 3D (Horror, Thriller, 2013)
33		Saw (Horror, Mystery, Thriller, 2004)
33		Temptress (Horror, Thriller, 1995)
33		Girls Against Boys (Drama, Horror, Thriller, 2012)
33		Diabolique (Drama, Horror, Thriller, 1996)
32		Nursie (Horror, Thriller, 2004)
32		The Card Player (Horror, Mystery, Thriller, 2004)
32		Dawn of the Dead (Action, Horror, Thriller, 2004)
32		Confessions of a Psycho Cat (Horror, Thriller, 1968)
32		Ginger Snaps 2: Unleashed (Horror, Thriller, 2004)
32		London Voodoo (Horror, Thriller, 2004)
32		The Dark Hours (Horror, Thriller, 2005)
32		Red Rover (Horror, Thriller, 2003)
32		Cold and Dark (Crime, Horror, Thriller, 2005)
32		Lost Things (Horror, Thriller, 2003)
32		New Year's Evil (Horror, Thriller, 1980)
32		The Ring Two (Horror, Mystery, Sci-Fi, 2005)
32		Freddy vs. Jason (Action, Horror, Thriller, 2003)
32		The Last Horror Movie (Horror, Thriller, 2003)
32		Hangman's Curse (Horror, Mystery, Thriller, 2003)
32		The Locals (Horror, Thriller, 2003)
32		The Roost (Horror, Thriller, 2005)
32		The Sex Killer (Horror, Thriller, 1967)
32		The Bone Snatcher (Horror, Sci-Fi, 2003)
32		The Descent (Adventure, Horror, Thriller, 2005)
32		Gothika (Horror, Mystery, Thriller, 2003)
32		Cameron's Closet (Horror, Sci-Fi, 1988)
32		Red Riding Hood (Drama, Horror, Thriller, 2003)
32		The Comeback (Horror, Mystery, Thriller, 1978)
32		Grindhouse (Action, Horror, Thriller, 2007)
32		AVP: Alien vs. Predator (Action, Horror, Sci-Fi, 2004)
32		Creep (Horror, Mystery, Thriller, 2004)
32		Madhouse (Horror, Thriller, 2004)
32		Cube Zero (Horror, Mystery, Sci-Fi, 2004)
32		Crescendo (Horror, Thriller, 1970)
32		Exorcist: The Beginning (Horror, Mystery, Thriller, 2004)
32		Resident Evil: Apocalypse (Action, Horror, Sci-Fi, 2004)
32		Invasion of the Body Snatchers (Horror, Sci-Fi, 1978)
32		Phantasm (Fantasy, Horror, Sci-Fi, 1979)
32		Feng shui (Drama, Horror, Thriller, 2004)
32		Sting of Death (Horror, Sci-Fi, 1965)
32		Creatures the World Forgot (Adventure, Horror, Sci-Fi, 1971)
32		The Night Digger (Drama, Horror, Thriller, 1971)
32		Blessed (Drama, Horror, Thriller, 2004)
32		Riding the Bullet (Horror, Thriller, 2004)
32		Savage Island (Horror, Thriller, 2004)
32		Jennifer's Shadow (Horror, Mystery, Thriller, 2004)
32		The Inn (Horror, Mystery, Thriller, 2004)
32		Dr Jekyll & Sister Hyde (Horror, Sci-Fi, 1971)
32		Evilenko (Crime, Horror, Thriller, 2004)
32		Andrea (Horror, Thriller, 2005)
32		Shallow Ground (Horror, Thriller, 2004)
32		Sisters (Horror, Thriller, 1972)
32		Breaking Dawn (Horror, Mystery, Thriller, 2004)
32		Hellbent (Horror, Thriller, 2004)
32		The Grudge (Horror, Mystery, Thriller, 2004)
32		Godsend (Drama, Horror, Sci-Fi, 2004)
32		L'assassino... è al telefono (Thriller, Horror, 1972)
32		Toolbox Murders (Horror, Mystery, Thriller, 2004)
32		Bad Reputation (Drama, Horror, Thriller, 2005)
32		Psycho Cop Returns (Drama, Horror, Thriller, 1993)
32		Invisible: The Chronicles of Benjamin Knight (Action, Horror, Sci-Fi, 1993)
32		Class of 1999 II: The Substitute (Action, Horror, Sci-Fi, 1994)
32		Return of the Living Dead III (Horror, Sci-Fi, 1993)
32		The Turn of the Screw (Horror, Thriller, 1992)
32		Scissors (Horror, Thriller, 1991)
32		Bikini Island (Horror, Mystery, Thriller, 1991)
32		The Psychic (Horror, Thriller, 1991)
32		The Paper Boy (Horror, Thriller, 1994)
32		Morirai a mezzanotte (Horror, Mystery, Thriller, 1986)
32		Twilight Zone: The Movie (Fantasy, Horror, Sci-Fi, 1983)
32		Julie Darling (Drama, Thriller, Horror, 1983)
32		American Nightmare (Horror, Crime, Thriller, 1983)
32		The Booth (Horror, Thriller, 2005)
32		Sole Survivor (Horror, Thriller, 1983)
32		Lifeforce (Action, Horror, Sci-Fi, 1985)
32		Special Effects (Drama, Horror, Thriller, 1984)
32		Blind Date (Horror, Thriller, 1984)
32		The Rain Killer (Thriller, Crime, Horror, 1990)
32		Syngenor (Horror, Sci-Fi, 1990)
32		Into the Grizzly Maze (Action, Horror, Thriller, 2015)
32		Beckoning the Butcher (Drama, Horror, Thriller, 2014)
32		Inner Demons (Horror, Mystery, Thriller, 2014)
32		Insidious: Chapter 3 (Fantasy, Horror, Thriller, 2015)
32		I Spit on Your Grave: Vengeance is Mine (Horror, Thriller, 2015)
32		The Neon Demon (Horror, Thriller, 2016)
32		The Darkness (Horror, Thriller, 2016)
32		Destroyer (Horror, Thriller, 1988)
32		A Nightmare on Elm Street 4: The Dream Master (Fantasy, Horror, Thriller, 1988)
32		Transformations (Horror, Sci-Fi, 1988)
32		Black Rainbow (Horror, Thriller, 1989)
32		Murder Weapon (Horror, Thriller, 1989)
32		Shadowzone (Horror, Sci-Fi, 1990)
32		Witchtrap (Action, Horror, Thriller, 1989)
32		Edge of Sanity (Horror, Thriller, 1989)
32		Hellbound: Hellraiser II (Horror, Thriller, 1988)
32		B.O.R.N. (Horror, Thriller, 1988)
32		Tamara (Horror, Fantasy, Thriller, 2005)
32		Severed (Horror, Thriller, 2005)
32		Dead End (Horror, Mystery, Thriller, 2003)
32		The Gathering (Horror, Thriller, 2003)
32		The Invitation (Drama, Thriller, Horror, 2003)
32		Subterano (Horror, Sci-Fi, 2003)
32		Darkness Falls (Horror, Mystery, Thriller, 2003)
32		La monja (Horror, Thriller, 2005)
32		28 Days Later... (Drama, Horror, Sci-Fi, 2002)
32		Long Distance (Horror, Thriller, 2005)
32		Dreamcatcher (Drama, Horror, Sci-Fi, 2003)
32		Willard (Drama, Horror, Sci-Fi, 2003)
32		Wrong Turn (Horror, Thriller, 2003)
32		Black Cadillac (Horror, Thriller, 2003)
32		Blood of the Beast (Horror, Sci-Fi, 2003)
32		Octane (Horror, Mystery, Thriller, 2003)
32		The Devil's Tattoo (Horror, Thriller, Drama, 2003)
32		Beyond the Limits (Horror, Thriller, 2003)
32		Garden of Love (Horror, Thriller, 2003)
32		The Dark (Horror, Mystery, Thriller, 2005)
32		Dark Water (Drama, Horror, Thriller, 2005)
32		The Others (Fantasy, Horror, Thriller, 2001)
32		Headspace (Horror, Mystery, Sci-Fi, 2005)
32		Frágiles (Thriller, Horror, 2005)
32		Inn of the Damned (Horror, Western, Thriller, 1975)
32		God Told Me To (Crime, Horror, Sci-Fi, 1976)
32		Sweet 16 (Horror, Thriller, 1983)
32		The Toybox (Horror, Mystery, Thriller, 2005)
32		Xtro (Horror, Sci-Fi, 1982)
32		Cup of My Blood (Horror, Thriller, 2005)
32		Demon Seed (Horror, Sci-Fi, 1977)
32		Feed (Crime, Horror, Thriller, 2005)
32		Impulse (Horror, Thriller, 1974)
32		Swamp Thing (Horror, Sci-Fi, 1982)
32		The Skeleton Key (Horror, Mystery, Thriller, 2005)
32		Spirit Trap (Horror, Thriller, 2005)
32		The Cave (Adventure, Horror, Thriller, 2005)
32		Nightmare (Horror, Thriller, 2005)
32		Little Erin Merryweather (Horror, Thriller, 2003)

Notes: Movies similar to Guardian of the Realm, Movies like Guardian of the Realm, Sci-Fi, Horror, Thriller, 'Evil' Ted Smith, Glen Levy, Tanya Dempsey, Lana Piryan, Tom Seymour, Films, Video, Movie Similarities