Ellen Grace Philpotts-Page (born February 21, 1987), known professionally as Ellen Page, is a Canadian actress.
 Her career began with roles in Canadian television shows including "Pit Pony", "Trailer Park Boys", and "ReGenesis".
 Page starred in the 2005 drama "Hard Candy", for which she won the Austin Film Critics Association's Award for Best Actress.
 Her breakthrough role was the title character in Jason Reitman's comedy film "Juno" (2007), for which she received nominations for Academy Award, BAFTA, Golden Globe and Screen Actors Guild Award for Best Actress, and won awards including the Independent Spirit Award, MTV Movie Award and Teen Choice Award for Best Actress Comedy.
Stacey Farber (born August 25, 1987) is a Canadian actress.
 She is known for playing Ellie Nash in through of the television series "".
 From 2010–2011, she starred in the CBC series "18 to Life" with fellow Canadian Michael Seater of "Life with Derek".
 From 2014 to 2017, Farber played Sydney Katz on the Canadian medical drama "Saving Hope".
Linda Chung Ka-yan () (born 9 April 1984) is a Canadian actress and singer.
 She is currently active in Hong Kong and signed with Television Broadcasts Limited (TVB) after winning the 2004 Miss Chinese International.
 She has starred in several popular TV series, most notably "Forensic Heroes", "Heart of Greed", "Moonlight Resonance", "A Journey Called Life", "The Gem of Life", "Yes, Sir.
 Sorry, Sir!
", "Legend of the Demigods", "Ghost Writer", "Witness Insecurity", "Brother's Keeper", "All That Is Bitter Is Sweet", and Tiger Cubs II.
Lisa Rani Ray (born April 4, 1972) is a Canadian actress, model, television host, philanthropist and social activist.
 In 2005 she appeared in the Canadian film "Water", which premièred at the Toronto International Film Festival.
 In 2008 she starred alongside Sheetal Sheth in the romance films "I Can't Think Straight" and "The World Unseen".
Sonja Bennett (born August 24, 1980) is a Canadian actress and screenwriter.
 Her film debut was in the Canadian feature film "Punch" (2002), for which she won the Vancouver Film Critics Circle Award for Best Actress in a Canadian Film.
 She has since starred in the films "Donovan's Echo", "Cole", "Control Alt Delete", "Young People Fucking", and "Fido" as well as the television series "Godiva's" and "Cold Squad".
Joanna Gleason (born Joanne Hall on June 2, 1950) is a Canadian actress and singer.
 She is a Tony Award-winning musical theatre actress and has also had a number of notable film and TV roles.
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).
Sarah Gadon (born April 4, 1987) is a Canadian actress.
 She first gained recognition with roles in David Cronenberg's "A Dangerous Method" and "Cosmopolis".
 She has guest starred in a number of notable television series including "Are You Afraid of the Dark?
", "Dark Oracle", "Doc", "In a Heartbeat", "La Femme Nikita", "Life with Derek" and "Mutant X".
 She also does voice-acting, lending her voice to "Mattimeo", "My Dad the Rock Star", "Ruby Gloom", "Total Drama" and "Wayside".
 In 2015, she co-starred in Miramax's supernatural thriller "The 9th Life of Louis Drax" and portrayed a young Elizabeth II in the comedy "A Royal Night Out".
 In 2016, she starred in the Hulu adaptation of Stephen King's miniseries "11.22.63", in which she portrayed James Franco's love interest, Sadie.
Life Under Water is a PBS' American Playhouse television film, starring Sarah Jessica Parker, Joanna Gleason and Keanu Reeves.
 It was written by Richard Greenberg, based on his play.
Sandrine Bisson (born June 22, 1975 in Quebec City) is a Canadian actress from Quebec.
 She won the Jutra Award for Best Supporting Actress at the 12th Jutra Awards in 2010 for her performance in "1981", and was a nominee in the same category at the 14th Jutra Awards in 2012 for "Fear of Water (La peur de l'eau)" and at the 17th Jutra Awards in 2015 for "1987", and a Canadian Screen Award nominee at the 3rd Canadian Screen Awards in 2015 for "1987".

Question: Life Under Water starred which Canadian actress and singer?
Answer: Joanna Gleason