Question: Which American actress and former professional ballet dancer starred in the Lifetime television movie Imaginary Friend?

Context paragraphs:
Oksana Skorik: Oksana Skorik (Russian: Оксана Скорик) (born April 20, 1989) is a Ukrainian professional ballet dancer and Principal Dancer of the Mariinsky Ballet.  She graduated from Perm School of Dance in 2007 and joined the Mariinsky Ballet the same year.  She was the subject of David Kinsella's documentary "A Beautiful Tragedy" and was featured on RT Documentary's "Ballet, Sweat and Tears".

Mireille Hassenboehler: Mireille Hassenboehler (born 1973) is an American former professional ballet dancer who performed as a principal dancer with the Houston Ballet until 2013.

Jun Shuang Huang: Jun Shuang Huang, also known as Junshuang Huang, is a Chinese professional ballet dancer who currently performs as a Guest International Principal Dancer with the Queensland Ballet.  He was formerly a principal with the Guangzhou Ballet and the Houston Ballet.

Dusty Button: Dusty Button (born June 6, 1989) is an American professional ballet dancer.  She was born in Myrtle Beach, South Carolina.  At age sixteen she moved to New York to train at the Jacqueline Kennedy Onassis School at the American Ballet Theatre.  After that, she was invited to the ABT II company where she performed major roles.  In 2006 she was awarded the Bronze Finalist Medal at the Youth American Grand Prix.  She later joined London's Royal Ballet School, in 2008 where she also performed professional roles at the Royal Opera House.  She joined the Boston Ballet corps de ballet in 2012, was promoted to soloist in 2013 and principal in 2014.

Amanda Schull: Amanda Schull (born August 26, 1978) is an American actress and former professional ballet dancer.  She is best known for her lead role in the 2000 film "Center Stage" and for her recurring roles on "One Tree Hill", "Pretty Little Liars", and "Suits".  She currently stars in the Syfy television series "12 Monkeys", the third series of which premiered in May 2017.  A fourth and final season has also been commissioned.

Foster's Home for Imaginary Friends: Foster's Home for Imaginary Friends (commonly abbreviated as Foster's) is an American animated television series created by Craig McCracken for Cartoon Network Studios.  The series, set in a world in which imaginary friends coexist with humans, centers on an 8-year-old boy, Mac, who is pressured by his mother to abandon his imaginary friend, Bloo.  After Mac discovers an orphanage dedicated to housing abandoned imaginary friends, Bloo moves into the home and is kept from adoption so long as Mac visits him daily.  The episodes revolve around Mac and Bloo as they interact with other imaginary friends and house staff and live out their day-to-day adventures, often getting caught up in various predicaments.

Helgi Tómasson (dancer): Helgi Tomasson (born October 8, 1942) is artistic director and principal choreographer for San Francisco Ballet, and a former professional ballet dancer.  Since assuming leadership of San Francisco Ballet, he has helped transform the company from a respected regional troupe to one of the world's great classical ballet companies.  He is originally from Iceland.

Imaginary Friend (2012 film): Imaginary Friend is a 2012 Lifetime television movie starring Lacey Chabert, Ethan Embry, Amanda Schull, and Ted McGinley.

Henriette Hansen: Henriette Hansen (7 May 1814, in Oslo – 1892 in Oslo), was a Norwegian stage actress, opera singer and ballet dancer.  She belonged to the pioneer generation of the first public theatre in Norway, the theatre of Johan Peter Strömberg in Oslo in 1827.  This being the first public stage in Norway, she may be regarded as the first native professional ballet dancer in Norway: the first ballet dancer in Norway was likely the foreign Madame Stuart.

Amy Fote: Amy Fote is a former American professional ballet dancer and was a principal dancer with the Houston Ballet and the Milwaukee Ballet.

Supporting paragraphs: Imaginary Friend (2012 film) Amanda Schull
Answer: Amanda Schull