Question: Which actress from "The Weight of Water" also starred in "Exotica"?

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Displacement (ship): The displacement or displacement tonnage of a ship is the ship's weight.  The name reflects the fact that it is measured indirectly, by first calculating the volume of water displaced by the ship, and then calculating the weight of that water.  By Archimedes' principle, this is also the weight of the ship.

Ahmo Hight: Ahmo Kathleen Hight (born September 18, 1973) is an American fitness model, swimsuit model and actress.  She first rose to prominence in winning the Ms. Fitness USA (Western States Division) tournament and Ms. Fit Body Bay Area in 1994, after which she began modeling for fitness and muscle magazines.  In 1997, she launched an acting career (sometimes using the name Amy Hite) and appeared in several made-for-video and made-for cable films, mostly of softcore porn genre.  She also appeared in videos produced by "Playboy" magazine.  She appeared opposite Anna Nicole Smith in the faux documentary "Anna Nicole Smith Exposed", as well as episodes of the television series "Pacific Blue" and "Hotel Exotica".

Short Mark 7 torpedo: The Short Mark 7 torpedo was a variant of the Bliss-Leavitt Mark 7 torpedo developed by the Washington Navy Yard in order to fit certain submarine torpedo tubes in 1917.  The Short Mark 7, also designated Torpedo Type D, had an air flask that was shortened and a reduced warhead weight.  The fuel and water tanks were relocated to obtain more air flask capacity; the fuel tank was mounted in the aft air flask bulkhead, while the water tanks were mounted in the after-body.  The overall weight of the warshot torpedo was 590 pounds lighter and 58 inches shorter than the Mark 7.  The air, fuel and water capacities were approximately one-third of the capacities found on the full-size Mark 7.  This torpedo was never produced in quantity.

Exotica (film): Exotica is a 1994 Canadian drama film set primarily in and around the fictional Exotica strip club in Toronto.  It is written and directed by Atom Egoyan and stars Mia Kirshner, Elias Koteas, Sarah Polley, Bruce Greenwood and Don McKellar.

Ligia exotica: Ligia exotica, also called sea roach or wharf roach is a woodlouse-like isopod, a sea slater in the family Ligiidae.  It is found in various parts of the world living on rocky coasts and harbour walls just above high water mark.

Magnesium citrate (3:2): Magnesium citrate (3:2) (3 magnesium atoms per 2 citrate molecules), also called trimagnesium dicitrate, trimagnesium citrate, or the ambiguous name magnesium citrate.  The substance magnesium citrate usually has water molecules attached to it.  It is a (hydrated) salt of magnesium and citric acid.  It is not very soluble in water and has a bitter taste.  It contains 16.2% magnesium by weight.  However, it can naturally only be available as nonahydrate (with 9 molecules of water to every molecule of Magnesiumcitrate).  This hydrated form will only contain 12% magnesium (the metal) on weight base.

Sarah Polley: Sarah Ellen Polley {'1': ", '2': ", '3': ", '4': "} (born January 8, 1979) is a Canadian actress, writer, director and political activist.  Polley first garnered attention as a child actress for her role as Sara Stanley in the Canadian television series "Road to Avonlea" (1990–1996).  She has starred in many feature films, including "Exotica" (1994), "The Sweet Hereafter" (1997), "Guinevere" (1999), "Go" (1999), "The Weight of Water" (2000), "My Life Without Me" (2003), "Dawn of the Dead" (2004), "Splice" (2009), and "Mr. Nobody" (2009).

Omar Khayyam (film): Omar Khayyam (also released as The Life, Loves and Adventures of Omar Khayyam and The Loves of Omar Khayyam) is an American movie directed by William Dieterle, filmed in 1956 (mostly on the Paramount lot) and released in 1957.  It starred Cornel Wilde as Omar Khayyám, the eponymous Persian poet, Michael Rennie as Hasani Sabah, and famous exotica singer Yma Sumac as Karina.  It was the final film to be scored by Victor Young (1899-1956) and was released posthumously.

Laura Marano: Laura Marie Marano (born November 29, 1995) is an American actress and singer.  She starred in the Disney Channel series "Austin & Ally" as Ally Dawson.  Marano was one of the five original classmates in "Are You Smarter than a 5th Grader? ".  She starred in "Without a Trace" for three seasons and also "Back to You", in both instances playing the daughter of the main characters.  Marano starred in the indie film "A Sort of Homecoming".  Marano also starred in the 2015 Disney Channel Original Movie "Bad Hair Day" along with "Good Luck Charlie" actress Leigh-Allyn Baker.  In 2015, she signed with Big Machine Records and released her debut single "Boombox" on March 11, 2016.  At the end of 2016, Big Machine Records made the decision to drop all of their pop artists.  Marano then signed to Warner Bros.  Records in 2017 and plans to release her debut album with the label.  She is also the younger sister of actress Vanessa Marano who starred in Freeform's "Switched at Birth".

Ultralight backpacking: Ultralight backpacking is a style of backpacking that emphasizes carrying the lightest and simplest gear safely possible for a given trip.  "Base pack weight" (the weight of a backpack plus the gear inside & outside it, excluding consumables such as food, water, and fuel, which vary depending on the duration and style of trip) is reduced as much as safely possible, though reduction of the weight of consumables is also applied.

Supporting paragraphs: Exotica (film) Sarah Polley
Answer: Sarah Polley