99		Zombies of the Stratosphere (Action, Sci-Fi, 1952)
97		Lifeforce (Action, Horror, Sci-Fi, 1985)
97		Mars Attacks the World (Romance, Sci-Fi, 1938)
94		I Married a Monster from Outer Space (Horror, Sci-Fi, 1958)
88		Plan 9 from Outer Space (Horror, Sci-Fi, 1959)
87		Starman (Romance, Sci-Fi, 1984)
85		Monsters vs. Aliens (Animation, Action, Adventure, Sci-Fi, 2009)
82		Man Made Monster (Drama, Horror, Sci-Fi, 1941)
82		Buck Rogers (Romance, Sci-Fi, 1977)
81		The Mysterians (Action, Sci-Fi, Thriller, 1957)
81		It Came from Outer Space (Horror, Sci-Fi, 1953)
80		The Fifth Element (Action, Adventure, Sci-Fi, 1997)
77		Dark Breed (Action, Horror, Sci-Fi, 1996)
74		Alien (Horror, Sci-Fi, 1979)
73		Planet of the Apes (Adventure, Romance, Sci-Fi, 1968)
73		The War of the Worlds (Action, Sci-Fi, Thriller, 1953)
73		Forbidden Planet (Action, Adventure, Sci-Fi, 1956)
72		Earth vs. the Flying Saucers (Action, Sci-Fi, 1956)
72		Return of the Ape Man (Horror, Romance, Sci-Fi, 1944)
71		Dr. Renault's Secret (Horror, Mystery, Romance, Sci-Fi, 1942)
70		Species (Action, Horror, Romance, Sci-Fi, 1995)
70		Titan A.E. (Animation, Action, Adventure, Sci-Fi, 2000)
67		Species II (Action, Horror, Sci-Fi, 1998)
67		The Puppet Masters (Horror, Sci-Fi, Thriller, 1994)
66		The Purple Monster Strikes (Action, Sci-Fi, 1945)
65		The Day the Earth Stood Still (Drama, Sci-Fi, 1951)
65		Virus (Action, Horror, Thriller, Sci-Fi, 1999)
64		Independence Day (Action, Adventure, Sci-Fi, 1996)
64		Attack of the Crab Monsters (Horror, Sci-Fi, 1957)
63		Invisible Invaders (Sci-Fi, Horror, 1959)
63		Invaders from Mars (Sci-Fi, 1953)
63		Port Sinister (Adventure, Crime, Sci-Fi, 1953)
62		Creature (Horror, Sci-Fi, 1985)
62		Invaders from Mars (Horror, Sci-Fi, 1986)
62		Altered (Horror, Sci-Fi, Thriller, 2006)
62		Five Million Years to Earth (Horror, Mystery, Sci-Fi, 1967)
60		X the Unknown (Horror, Sci-Fi, 1956)
60		Godzilla, King of the Monsters! (Action, Horror, Sci-Fi, 1956)
60		Battle for Terra (Animation, Action, Adventure, Sci-Fi, 2007)
59		The Day the Earth Stood Still (Drama, Sci-Fi, Thriller, 2008)
59		The Arrival (Sci-Fi, Thriller, 1996)
59		They Came from Beyond Space (Adventure, Sci-Fi, 1967)
59		The Satan Bug (Crime, Mystery, Sci-Fi, 1965)
59		Riddick (Action, Sci-Fi, Thriller, 2013)
59		The Fly (Drama, Horror, Sci-Fi, 1958)
59		Beneath the Planet of the Apes (Action, Adventure, Sci-Fi, 1970)
59		Flash Gordon (Action, Adventure, Sci-Fi, 1980)
58		Captive Wild Woman (Horror, Sci-Fi, 1943)
57		Godzilla 1985 (Action, Horror, Sci-Fi, 1984)
57		Reptilicus (Action, Horror, Sci-Fi, 1961)
57		Interstellar (Adventure, Drama, Sci-Fi, 2014)
57		Pitch Black (Horror, Sci-Fi, 2000)
57		Village of the Damned (Horror, Sci-Fi, Thriller, 1995)
57		Queen of Blood (Horror, Sci-Fi, 1966)
57		Extraterrestrial (Horror, Sci-Fi, 2014)
57		The Thing (Horror, Mystery, Sci-Fi, 2011)
57		Roger Corman's Frankenstein Unbound (Drama, Horror, Sci-Fi, 1990)
57		Resident Evil: Extinction (Action, Horror, Sci-Fi, 2007)
57		Alien³ (Action, Horror, Sci-Fi, 1992)
57		Strange Invaders (Horror, Mystery, Sci-Fi, 1983)
55		The Cosmic Man (Adventure, Sci-Fi, Thriller, 1959)
55		The Darkest Hour (Action, Adventure, Horror, Sci-Fi, 2011)
54		Ender's Game (Action, Sci-Fi, 2013)
54		Battle Los Angeles (Action, Sci-Fi, 2011)
54		The Blob (Horror, Sci-Fi, 1958)
54		War of the Worlds (Adventure, Sci-Fi, Thriller, 2005)
54		Alien Outpost (Action, Sci-Fi, Thriller, 2014)
54		The Brain Eaters (Sci-Fi, Horror, 1958)
54		The Deadly Mantis (Horror, Sci-Fi, Thriller, 1957)
54		The Abominable Snowman (Adventure, Horror, Sci-Fi, 1957)
54		Sky Bandits (Action, Music, Sci-Fi, 1940)
54		Star Trek: Insurrection (Action, Adventure, Sci-Fi, 1998)
53		Island of Lost Souls (Horror, Sci-Fi, 1932)
53		The Mad Ghoul (Horror, Sci-Fi, Thriller, 1943)
53		Devil Girl from Mars (Sci-Fi, 1954)
53		Predator (Action, Horror, Sci-Fi, 1987)
53		Superman (Sci-Fi, 1948)
52		Scanners (Action, Horror, Sci-Fi, 1981)
52		Goke, Body Snatcher from Hell (Horror, Sci-Fi, 1968)
52		Star Wars: The Force Awakens (Action, Adventure, Fantasy, Sci-Fi, 2015)
52		Victor Frankenstein (Drama, Horror, Sci-Fi, 2015)
52		Jason X (Action, Horror, Sci-Fi, 2001)
52		Island of the Burning Damned (Horror, Mystery, Sci-Fi, 1967)
52		Children of the Damned (Horror, Sci-Fi, 1964)
52		Panther Girl of the Kongo (Action, Sci-Fi, 1955)
52		The Devil Bat (Horror, Sci-Fi, 1940)
52		The Devil Commands (Horror, Sci-Fi, 1941)
52		Aliens vs. Predator: Requiem (Action, Horror, Sci-Fi, 2007)
52		The Fly (Drama, Horror, Sci-Fi, 1986)
52		Body Snatchers (Sci-Fi, Horror, Thriller, 1993)
52		The Thing from Another World (Horror, Sci-Fi, 1951)
52		Brick Bradford (Action, Adventure, Sci-Fi, 1947)
52		The Invisible Ray (Horror, Sci-Fi, Thriller, 1936)
51		Creature from the Black Lagoon (Horror, Sci-Fi, 1954)
51		4D Man (Sci-Fi, Horror, Romance, 1959)
50		Thor: The Dark World (Action, Adventure, Fantasy, Sci-Fi, 2013)
50		It Conquered the World (Horror, Sci-Fi, Thriller, 1956)
50		I Come in Peace (Action, Crime, Horror, Sci-Fi, 1990)
50		The Black Sleep (Horror, Sci-Fi, 1956)
50		The Island of Dr. Moreau (Adventure, Fantasy, Horror, Sci-Fi, 1977)
50		Deep Impact (Action, Drama, Romance, Sci-Fi, 1998)
50		The Transformers: The Movie (Animation, Action, Adventure, Sci-Fi, 1986)
50		Serenity (Action, Adventure, Sci-Fi, 2005)
50		Tarantula (Horror, Sci-Fi, 1955)
50		Journey to the Seventh Planet (Action, Adventure, Fantasy, Sci-Fi, 1962)
50		Revenge of the Creature (Horror, Sci-Fi, 1955)
50		World Without End (Adventure, Romance, Sci-Fi, 1956)
49		20 Million Miles to Earth (Fantasy, Horror, Sci-Fi, 1957)
49		The Black Hole (Action, Sci-Fi, 1979)
49		John Carter (Action, Adventure, Sci-Fi, 2012)
49		The Cosmic Monster (Drama, Sci-Fi, Horror, 1958)
49		The Machine (Action, Drama, Sci-Fi, 2013)
49		Starship Troopers: Invasion (Animation, Action, Sci-Fi, 2012)
49		Time Runner (Action, Adventure, Sci-Fi, 1993)
49		Enemy from Space (Sci-Fi, Horror, 1957)
49		Invasion of Astro-Monster (Action, Adventure, Sci-Fi, 1965)
49		Alien Nation (Action, Crime, Sci-Fi, 1988)
49		Not of This Earth (Horror, Sci-Fi, 1957)
49		Green Lantern (Action, Adventure, Sci-Fi, 2011)
49		Transformers (Action, Adventure, Sci-Fi, 2007)
49		Cowboys & Aliens (Action, Sci-Fi, Thriller, 2011)
49		Red Planet Mars (Drama, Sci-Fi, 1952)
48		Beyond the Time Barrier (Romance, Sci-Fi, 1960)
48		Dr. Jekyll and Mr. Hyde (Horror, Sci-Fi, 1931)
47		The Mysterious Island (Adventure, Romance, Sci-Fi, 1929)
47		Bug (Sci-Fi, Horror, Mystery, 1975)
47		The Deadly Spawn (Horror, Sci-Fi, 1983)
47		Moontrap (Horror, Sci-Fi, 1989)
47		The Crazies (Action, Horror, Sci-Fi, 1973)
47		The Lawnmower Man (Horror, Sci-Fi, 1992)
47		Seedpeople (Horror, Sci-Fi, 1992)
47		The Faculty (Horror, Mystery, Sci-Fi, 1998)
47		Terror of Frankenstein (Horror, Sci-Fi, 1977)
47		Xtro (Horror, Sci-Fi, 1982)
47		Under the Skin (Drama, Horror, Sci-Fi, 2013)
47		Five (Drama, Horror, Sci-Fi, 1951)
47		Demonwarp (Horror, Mystery, Sci-Fi, 1988)
47		I Am Legend (Drama, Horror, Sci-Fi, 2007)
47		The Alien Factor (Horror, Sci-Fi, 1978)
47		The Earth Dies Screaming (Horror, Sci-Fi, 1964)
47		AVP: Alien vs. Predator (Action, Horror, Sci-Fi, 2004)
46		Phantom from Space (Horror, Sci-Fi, 1953)
45		The Angry Red Planet (Adventure, Sci-Fi, 1959)
45		10 Cloverfield Lane (Drama, Horror, Mystery, Sci-Fi, 2016)
45		Sky Captain and the World of Tomorrow (Action, Adventure, Mystery, Sci-Fi, 2004)
45		This Island Earth (Horror, Mystery, Sci-Fi, 1955)
45		The Quatermass Xperiment (Horror, Sci-Fi, 1955)
45		Thor (Action, Adventure, Fantasy, Sci-Fi, 2011)
45		Transcendence (Drama, Mystery, Romance, Sci-Fi, 2014)
45		Creature with the Atom Brain (Crime, Horror, Sci-Fi, 1955)
45		The Host (Action, Adventure, Romance, Sci-Fi, 2013)
45		Galaxy of Terror (Action, Adventure, Horror, Sci-Fi, 1981)
45		Enemy Mine (Action, Adventure, Drama, Sci-Fi, 1985)
45		Close Encounters of the Third Kind (Drama, Sci-Fi, 1977)
45		Pandorum (Action, Horror, Mystery, Sci-Fi, 2009)
45		Final Fantasy: The Spirits Within (Animation, Action, Adventure, Sci-Fi, 2001)
45		The Creature Walks Among Us (Horror, Sci-Fi, 1956)
45		The Hidden (Action, Crime, Horror, Sci-Fi, 1987)
44		Foiled (Action, Drama, Sci-Fi, 2000)
44		I Am Number Four (Action, Adventure, Sci-Fi, 2011)
44		Sphere (Drama, Mystery, Sci-Fi, 1998)
44		Doomsday (Action, Sci-Fi, Thriller, 2008)
44		Godzilla (Action, Sci-Fi, Thriller, 1998)
44		The Incredible Hulk (Action, Adventure, Sci-Fi, 2008)
44		Invasion (Sci-Fi, 1966)
44		Zone Troopers (Action, Adventure, Sci-Fi, 1985)
44		Universal Soldier (Action, Sci-Fi, Thriller, 1992)
44		Returner (Action, Adventure, Sci-Fi, 2002)
44		Capricorn One (Action, Sci-Fi, Thriller, 1977)
44		Contact (Drama, Mystery, Sci-Fi, 1997)
44		Dune (Action, Adventure, Sci-Fi, 1984)
44		Robinson Crusoe on Mars (Adventure, Sci-Fi, 1964)
44		Escape from the Planet of the Apes (Action, Sci-Fi, 1971)
44		The Monster That Challenged the World (Horror, Sci-Fi, 1957)
44		Batman v Superman: Dawn of Justice (Action, Adventure, Sci-Fi, 2016)
44		Bruce Gentry (Action, Adventure, Crime, Sci-Fi, 1949)
44		The Giant Claw (Fantasy, Horror, Sci-Fi, 1957)
44		When Worlds Collide (Action, Sci-Fi, Thriller, 1951)
44		Gog (Drama, Horror, Romance, Sci-Fi, 1954)
43		The Beast of Hollow Mountain (Horror, Romance, Sci-Fi, 1956)
43		Immediate Disaster (Sci-Fi, 1954)
42		Sssssss (Horror, Sci-Fi, 1973)
42		Phase IV (Horror, Sci-Fi, Thriller, 1974)
42		The Creeping Flesh (Horror, Sci-Fi, 1973)
42		The Mutations (Horror, Sci-Fi, 1974)
42		Alien Abduction (Horror, Sci-Fi, Thriller, 2014)
42		Predator 2 (Action, Horror, Sci-Fi, 1990)
42		Event Horizon (Horror, Sci-Fi, Thriller, 1997)
42		Frankenstein Must Be Destroyed (Horror, Drama, Sci-Fi, 1969)
42		Alien: Resurrection (Action, Horror, Sci-Fi, 1997)
42		Without Warning (Sci-Fi, Horror, 1980)
42		Nightmare City (Action, Horror, Sci-Fi, 1980)
42		Quarantine (Horror, Sci-Fi, Thriller, 2008)
42		Another World (Action, Horror, Sci-Fi, 2014)
42		Steel and Lace (Action, Horror, Sci-Fi, 1991)
42		Another Earth (Drama, Romance, Sci-Fi, 2011)
42		The Brain Leeches (Horror, Sci-Fi, 1978)
42		They Live (Horror, Sci-Fi, Thriller, 1988)
42		Hunting Grounds (Horror, Sci-Fi, 2009)
42		Svengali (Drama, Horror, Sci-Fi, 1931)
42		The Day the Earth Caught Fire (Drama, Sci-Fi, Romance, 1961)

Notes: Movies similar to The Man from Planet X, Movies like The Man from Planet X, Horror, Romance, Sci-Fi, Edgar G. Ulmer, Robert Clarke, Margaret Field, Raymond Bond, William Schallert, SF, Science Fiction, SciFi, Sci Fi, Films, Video, Movie Similarities