65		Phenomena (Horror, Mystery, 1985)
64		Pillow of Death (Mystery, Horror, 1945)
60		The Hound of the Baskervilles (Horror, Mystery, 1959)
57		Night Monster (Horror, Mystery, Thriller, 1942)
57		Dr. Renault's Secret (Horror, Mystery, Romance, 1942)
55		Scream (Horror, Mystery, 1996)
55		The Cat and the Canary (Horror, Mystery, 1927)
55		Saw II (Horror, Mystery, 2005)
52		Mark of the Vampire (Horror, Mystery, 1935)
52		Horror Island (Horror, Mystery, Thriller, 1941)
52		Berserk (Horror, Mystery, Thriller, 1967)
50		I Still Know What You Did Last Summer (Horror, Mystery, 1998)
50		Oculus (Horror, Mystery, 2013)
50		Jeepers Creepers (Horror, Mystery, 2001)
50		Annabelle (Horror, Mystery, 2014)
50		She-Wolf of London (Crime, Horror, Mystery, 1946)
50		Saw IV (Horror, Mystery, 2007)
50		Night School (Horror, Mystery, 1981)
50		Scream 3 (Horror, Mystery, 2000)
50		To All a Goodnight (Horror, Mystery, 1980)
50		The Witchmaker (Horror, Mystery, 1969)
50		Witchboard 2 (Horror, Mystery, 1993)
48		The Beast with Five Fingers (Horror, Mystery, 1946)
48		The Vampire Bat (Drama, Horror, Mystery, 1933)
47		The Killing Floor (Crime, Horror, Mystery, 2007)
46		The Return of Doctor X (Horror, Mystery, Sci-Fi, 1939)
45		The Black Torment (Horror, Mystery, 1964)
45		Inferno (Horror, Mystery, 1980)
45		The Reincarnation of Peter Proud (Horror, Mystery, 1975)
45		Scream 2 (Horror, Mystery, 1997)
45		The Last Broadcast (Horror, Mystery, 1998)
45		Deadwood Park (Horror, Mystery, 2007)
45		Scream 4 (Horror, Mystery, 2011)
45		Retribution (Horror, Mystery, 1987)
45		3 Extremes II (Horror, Mystery, 2002)
45		Sinister (Horror, Mystery, 2012)
45		Saw V (Horror, Mystery, 2008)
45		The Strangler (Horror, 1964)
45		Captive Wild Woman (Horror, Sci-Fi, 1943)
45		Murder by the Clock (Horror, Mystery, 1931)
45		Pieces (Horror, Mystery, 1982)
45		Dead & Buried (Horror, Mystery, 1981)
44		Mystery of Edwin Drood (Drama, Horror, Mystery, 1935)
44		The Monster and the Girl (Crime, Drama, Horror, 1941)
44		Woman Who Came Back (Horror, Mystery, 1945)
43		Jungle Woman (Drama, Fantasy, Horror, 1944)
43		Saw (Horror, Mystery, Thriller, 2004)
43		Secret of the Blue Room (Drama, Horror, Mystery, 1933)
42		Dementia (Film-Noir, Horror, Mystery, 1955)
42		The Keeper (Drama, Horror, Mystery, 1976)
42		The Zodiac Killer (Horror, Mystery, Thriller, 1971)
42		The Haunted Strangler (Crime, Mystery, Horror, 1958)
42		The Watcher (Crime, Horror, Mystery, 2000)
42		Reaper (Horror, Mystery, Thriller, 2000)
42		Sleepless (Horror, Mystery, Thriller, 2001)
42		The Strangers (Horror, Mystery, Thriller, 2008)
42		Valentine (Horror, Mystery, Thriller, 2001)
42		The Card Player (Horror, Mystery, Thriller, 2004)
42		Cry_Wolf (Drama, Horror, Mystery, 2005)
41		The Invisible Man Returns (Drama, Horror, Mystery, 1940)
41		The Spiral Staircase (Horror, Mystery, Thriller, 1945)
41		Fog Island (Drama, Horror, Mystery, 1945)
41		The Ninth Guest (Horror, Mystery, 1934)
41		The Wicker Man (Horror, Mystery, 1973)
40		Mirrors (Horror, Mystery, 2008)
40		The House on Skull Mountain (Horror, Mystery, 1974)
40		Soulmate (Horror, Mystery, 2013)
40		Screams of a Winter Night (Horror, Mystery, 1979)
40		The Eye (Horror, Mystery, 2008)
40		Solstice (Horror, Mystery, 2008)
40		Don't Blink (Horror, Mystery, 2014)
40		The Beast Must Die (Horror, Mystery, 1974)
40		Encounter with the Unknown (Horror, Mystery, 1973)
40		Terror in the Wax Museum (Horror, Mystery, 1973)
40		Thinner (Fantasy, Horror, 1996)
40		The Wizard of Gore (Horror, Mystery, 2007)
40		The VVitch: A New-England Folktale (Horror, Mystery, 2015)
40		Suspiria (Horror, Mystery, 1977)
40		La casa con la scala nel buio (Horror, Mystery, 1983)
40		Session 9 (Horror, Mystery, 2001)
40		Spellcaster (Horror, Mystery, 1988)
40		The Four Skulls of Jonathan Drake (Horror, Mystery, 1959)
40		Saw VI (Horror, Mystery, 2009)
40		The Ring (Horror, Mystery, 2002)
40		It Follows (Horror, Mystery, 2014)
40		Cornered! (Horror, 2009)
40		Two on a Guillotine (Mystery, Horror, 1965)
40		Creep (Horror, Mystery, 1995)
40		Dark Intruder (Horror, Mystery, 1965)
40		Day of the Nightmare (Horror, Mystery, 1965)
40		Altar (Horror, Mystery, 2014)
40		Truth or Die (Horror, Mystery, 2012)
40		Bloody New Year (Horror, Mystery, 1987)
40		The Pit (Horror, Mystery, 1981)
40		Final Prayer (Horror, Mystery, 2013)
40		Saw 3D: The Final Chapter (Horror, Mystery, 2010)
40		Graduation Day (Horror, Mystery, 1981)
40		He Knows You're Alone (Horror, Thriller, 1980)
40		Reeker (Horror, Mystery, 2005)
40		Devil's Due (Horror, Mystery, 2014)
40		April Fool's Day (Horror, Mystery, 1986)
40		Spirits of the Dead (Horror, Mystery, 1968)
40		Sorority Row (Horror, Mystery, 2009)
39		Twin Peaks: The Missing Pieces (Drama, Horror, Mystery, 2014)
39		Son of Ingagi (Horror, 1940)
38		House of Horrors (Horror, Thriller, 1946)
38		Mystery of the Wax Museum (Horror, Mystery, Thriller, 1933)
37		My Soul to Take (Horror, Mystery, Thriller, 2010)
37		Blood Fiend (Horror, Mystery, Thriller, 1967)
37		Cyrus (Crime, Horror, Mystery, 2010)
37		The Town That Dreaded Sundown (Horror, Mystery, Thriller, 2014)
37		The Stranger (Drama, Horror, Mystery, 2014)
37		The Other (Drama, Horror, Mystery, 1972)
37		Happy Birthday to Me (Horror, Mystery, Thriller, 1981)
37		Psycho (Horror, Mystery, Thriller, 1998)
37		The Canal (Horror, Mystery, Thriller, 2014)
37		Sleepy Hollow (Fantasy, Horror, Mystery, 1999)
37		Jack's Back (Crime, Horror, Mystery, 1988)
37		Double Vision (Fantasy, Horror, Mystery, 2002)
37		Lady in White (Fantasy, Horror, Mystery, 1988)
37		Disturbing Behavior (Horror, Mystery, Sci-Fi, 1998)
37		Trauma (Horror, Mystery, Thriller, 1993)
37		Deadly Sins (Drama, Horror, Mystery, 1995)
37		Mommy (Horror, Mystery, Thriller, 1995)
37		The Nature of the Beast (Crime, Horror, Mystery, 1995)
37		Mommy's Day (Horror, Mystery, Thriller, 1997)
37		The Night Flier (Fantasy, Horror, Mystery, 1997)
37		Manhunter (Crime, Horror, Mystery, 1986)
37		Psycho III (Horror, Mystery, Thriller, 1986)
37		Like Minds (Crime, Horror, Mystery, 2006)
37		Strange Behavior (Horror, Mystery, Sci-Fi, 1981)
37		The Darkroom (Horror, Mystery, Thriller, 2006)
37		The Poughkeepsie Tapes (Horror, Mystery, Thriller, 2007)
37		Silent Night, Bloody Night (Horror, Mystery, Thriller, 1972)
37		Madhouse (Crime, Horror, Mystery, 1974)
37		The Prowler (Horror, Mystery, Thriller, 1981)
37		The Amityville Horror (Drama, Horror, Mystery, 2005)
37		Friday the 13th: A New Beginning (Horror, Mystery, Thriller, 1985)
37		Malevolence (Crime, Horror, Mystery, 2003)
37		Videodrome (Horror, Mystery, Sci-Fi, 1983)
37		The House on Sorority Row (Horror, Mystery, Thriller, 1983)
37		Tenebre (Horror, Mystery, Thriller, 1982)
37		The Midnight Meat Train (Fantasy, Horror, Mystery, 2008)
37		Black Christmas (Horror, Mystery, Thriller, 1974)
37		Dead Men Walk (Drama, Horror, Mystery, 1943)
37		Jack the Ripper (Crime, Horror, Mystery, 1959)
37		The Mysterious Doctor (Horror, Mystery, Thriller, 1943)
37		The Black Room (Crime, Horror, 1935)
37		11-11-11 (Horror, Mystery, Thriller, 2011)
37		The Bat (Horror, Thriller, Mystery, 1959)
37		The Night Has Eyes (Horror, Mystery, Thriller, 1942)
36		Chamber of Horrors (Drama, Horror, Mystery, 1940)
36		The Walking Dead (Crime, Horror, Sci-Fi, 1936)
36		Wait Until Dark (Horror, Thriller, 1967)
36		Murders in the Zoo (Crime, Horror, 1933)
35		Long Pigs (Horror, 2007)
35		The Texas Chain Saw Massacre (Horror, Thriller, 1974)
35		Chamber of Horrors (Horror, 1966)
35		Child's Play (Horror, 1988)
35		Dead Silence (Horror, 2007)
35		Saw III (Horror, 2006)
35		Son of Dracula (Fantasy, Horror, 1943)
35		In the Devil's Garden (Mystery, Crime, Drama, Horror, 1971)
35		Eyes of a Stranger (Horror, Thriller, 1981)
35		My Bloody Valentine (Horror, Thriller, 2009)
35		The Devil's Rejects (Crime, Horror, 2005)
35		Man with Two Lives (Horror, Thriller, 1942)
35		Body Parts (Horror, Thriller, 1991)
35		13 Ghosts (Horror, 1960)
35		Strangeland (Horror, Thriller, 1998)
35		Curse of Chucky (Horror, Thriller, 2013)
34		Phantom Ship (Drama, Horror, Mystery, 1935)
34		Stripped to Kill (Crime, Drama, Horror, 1987)
34		Scream and Scream Again (Crime, Drama, Horror, 1970)
34		The Ape (Horror, 1940)
34		The Face at the Window (Drama, Horror, 1939)
34		The Crime of Doctor Crespi (Crime, Horror, Mystery, 1935)
34		Maniac Cop (Action, Crime, Horror, 1988)
33		Supernatural (Horror, Mystery, Thriller, 1933)
33		Son of Frankenstein (Sci-Fi, Horror, Drama, 1939)
33		The Birds (Drama, Horror, Mystery, 1963)
32		Friday the 13th (Horror, Mystery, Thriller, 1980)
32		The Call of Cthulhu (Fantasy, Horror, Mystery, 2005)
32		The Comeback (Horror, Mystery, Thriller, 1978)
32		Gui si (Drama, Horror, Mystery, 2006)
32		Slaughter of the Innocents (Crime, Horror, Mystery, 1993)
32		Schizoid (Action, Horror, Mystery, 1980)
32		Goddess of Love (Drama, Horror, Mystery, 2015)
32		New Nightmare (Fantasy, Horror, Mystery, 1994)
32		Nightkill (Crime, Horror, Mystery, 1980)
32		Friday the 13th Part 2 (Horror, Mystery, Thriller, 1981)
32		Roadside (Drama, Horror, Mystery, 2013)
32		Nobody (Crime, Horror, Mystery, 2007)
32		Night Watch (Horror, Mystery, Thriller, 1973)
32		Ten (Adventure, Horror, Mystery, 2014)
32		Open Grave (Horror, Mystery, Thriller, 2013)
32		The Mad Magician (Horror, Thriller, Mystery, 1954)
32		The Echo (Drama, Horror, Mystery, 2008)
32		Blackout (Horror, Mystery, Thriller, 2008)
32		The Spiral Staircase (Horror, Mystery, Thriller, 1975)
32		The Den (Horror, Mystery, Thriller, 2013)
32		The Killing Jar (Drama, Horror, Mystery, 1997)
32		The Messengers (Horror, Mystery, Thriller, 2007)
32		Come Back to Me (Horror, Mystery, Thriller, 2014)
32		Beneath (Horror, Mystery, Thriller, 2007)
32		In the Mouth of Madness (Fantasy, Horror, Mystery, 1994)
32		They Wait (Horror, Mystery, Thriller, 2007)
32		The Return (Horror, Mystery, Thriller, 2006)
32		Q (Crime, Horror, Mystery, 1982)
32		Close Your Eyes (Crime, Horror, Mystery, 2002)
32		I'll Bury You Tomorrow (Horror, Thriller, Mystery, 2002)
32		Cut! (Horror, Mystery, Thriller, 2014)
32		Bela Kiss: Prologue (Horror, Mystery, Thriller, 2013)
32		Devil's Pass (Horror, Mystery, Sci-Fi, 2013)
32		The 4th Floor (Horror, Mystery, Thriller, 1999)
32		Eye See You (Crime, Horror, Mystery, 2002)
32		Killer Me (Mystery, Thriller, Horror, 2001)
32		Deadly Revisions (Horror, Mystery, Thriller, 2013)
32		The Devil-Doll (Sci-Fi, Horror, 1936)
32		From Hell (Horror, Mystery, Thriller, 2001)
32		The Hound of the Baskervilles (Horror, Mystery, Thriller, 1939)
32		Apprentice to Murder (Drama, Horror, Mystery, 1988)
32		Haunt (Horror, Mystery, Romance, 2014)
32		A Reflection of Fear (Drama, Horror, Mystery, 1972)
32		Cherry Falls (Horror, Mystery, Romance, 2000)
32		Bikini Island (Horror, Mystery, Thriller, 1991)
32		Klynham Summer (Horror, Mystery, Thriller, 1982)
32		The Toybox (Horror, Mystery, Thriller, 2005)
32		The Seventh Victim (Drama, Horror, Mystery, 1943)
32		The Living Ghost (Horror, Mystery, Thriller, 1942)
32		The Undying Monster (Drama, Horror, Mystery, 1942)
32		Mindhunters (Crime, Horror, Mystery, 2004)
32		One Point O (Drama, Horror, Mystery, 2004)
32		Toolbox Murders (Horror, Mystery, Thriller, 2004)
32		Scream for Help (Horror, Mystery, Crime, 1984)
32		Strange Invaders (Horror, Mystery, Sci-Fi, 1983)
32		The Dark Half (Horror, Mystery, Thriller, 1993)
32		Sinister 2 (Horror, Mystery, Thriller, 2015)
32		Dream No Evil (Drama, Horror, Mystery, 1970)
32		Homicidal (Horror, Mystery, Thriller, 1961)
32		Red Riding Hood (Fantasy, Horror, Mystery, 2011)
32		The Night Walker (Horror, Mystery, Thriller, 1964)
32		The Children (Horror, Mystery, Thriller, 2008)
32		After.Life (Drama, Horror, Mystery, 2009)
32		Psycho-Circus (Mystery, Thriller, Horror, 1966)
32		Castle of Evil (Horror, Mystery, Sci-Fi, 1966)
32		The Psychopath (Crime, Horror, Mystery, 1966)
32		Visions (Horror, Mystery, Thriller, 2009)
32		The Rite (Drama, Horror, Mystery, 2011)
32		Murders in the Rue Morgue (Crime, Horror, Mystery, 1971)
32		Doctor Faustus (Drama, Horror, Mystery, 1967)
32		6 Souls (Horror, Mystery, Thriller, 2010)
32		Psych:9 (Horror, Mystery, Thriller, 2010)

Notes: Movies similar to The Strange Case of Doctor Rx, Movies like The Strange Case of Doctor Rx, Horror, Mystery, William Nigh, Patric Knowles, Lionel Atwill, Anne Gwynne, Samuel S. Hinds, Films, Video, Movie Similarities