Question: Mimi Heinrich, was a Danish actress and writer, outside Denmark she was mostly known for her roles in which cult movie, a 1961 Danish-American giant monster film about a prehistoric reptile?

Context paragraphs:
Rodan (film): Rodan, released in Japan as Sora no Daikaijū Radon (空の大怪獣 ラドン , lit.  "Radon, Giant Monster of the Sky") , is a 1956 science fiction kaiju film produced by Toho Studios.  It was the studio's first Kaiju movie filmed in color (though Toho's first color tokusatsu film, "Madame White Snake", was released earlier that year).  It is one of a series of "giant monster" movies that found an audience outside Japan, especially in the United States, where it was originally released in 1957 as Rodan!  The Flying Monster! .  (It was re-released later in some drive-ins in the U.S. in 1959 on a double bill with "Gigantis the Fire Monster".)

Kim Ki-duk (director, born 1934): Kim Ki-duk (29 September 1934 – 7 September 2017) was a South Korean film director and professor.  Best known outside of Korea for his 1967 giant monster film "", Kim Ki-duk directed 66 movies in total from his directorial debut in 1961 until his retirement from the film industry in 1977.  Along with Kim Soo-yong and Lee Man-hee, Kim was one of the leading young directors of the Korean cinematic wave of the 1960s.  The most distinctive and successful genre of this period was the melodrama (청춘영화 - "cheongchun yeonghwa").  He is not related to Kim Ki-duk, the South Korean director of "3-Iron".

Sphenosaurus: Sphenosaurus is a poorly known genus of procolophonid, a type of prehistoric reptile from the Permian.  Originally assigned the name "Palaeosaurus sternbergii", by

Blændværk: Blændværk is a 1955 Danish crime film drama directed by Johan Jacobsen.  The film stars Mimi Heinrich.

Monster movie: A monster movie, creature feature, or giant monster film is a disaster film that focuses on a group of characters struggling to survive attacks by at least one antagonistic monster or other animal, often abnormally large ones.  The film may also fall under the horror, comedy, fantasy, or science fiction genres.  Monster movies originated with adaptations of horror folklore and literature.  Typically, movie monsters differ from more traditional antagonists in that many exist due to circumstances beyond their control; their actions are not entirely based on choice, potentially making them objects of sympathy to film viewers.

Mimi Heinrich: Mimi Heinrich (1 November 1936 – 31 May 2017) was a Danish actress and writer.  Outside Denmark she was mostly known for her roles in the cult movies "Reptilicus" and "Journey to the 7th Planet".  She had her debut at the Det Ny Teater in 1957 and starred in 19 Danish movies between 1953 and 1964.

The Giant Behemoth: The Giant Behemoth (a.k.a. Behemoth, the Sea Monster and The Behemoth), is a 1959 American-British black-and-white science fiction giant monster film distributed by Allied Artists Pictures.  The film was produced by Ted Lloyd, directed by Eugène Lourié, and stars Gene Evans and André Morell.  The screenplay was written by blacklisted author Daniel James (under the name "Daniel Hyatt") with director Lourié.

Space Monster, Wangmagwi: Space Monster Wangmagwi,(우주괴인 왕마귀) also known as Big Monster Wangmagwi or Wangmagwi, is a 1967 South Korean kaiju film.  It was the first giant monster film to be made in South Korea and the first all-Korean made science fiction film.  It features a space variation on the plot to King Kong.  The film held the world record for most extras featured in the same place before the spot was taken over by the 1982 film Gandhi.

Reptilicus: Reptilicus is a 1961 Danish-American giant monster film about a prehistoric reptile.  The film was produced by American International Pictures and Saga Studio, and separate versions were released in Denmark and in the United States.

The Giant Claw: The Giant Claw (a.k.a.  The Mark of the Claw) is a 1957 American black-and-white science fiction giant monster film from Columbia Pictures, produced by Sam Katzman, directed by Fred F. Sears, that stars Jeff Morrow and Mara Corday.  Both Sears and Katzman were well known as low-budget B film genre filmmakers.  The film was released on a double bill with "The Night the World Exploded".

Supporting paragraphs: Mimi Heinrich Reptilicus
Answer: Reptilicus