Question: Who was the actress that played in "Descendants"-(2015 American fantasy TV film) as well as played dual roles as both title characters on Disney Channel's "Liv & Maddie" ?

Context articles: Liv and Maddie: Music from the TV Series
Liv and Maddie
Kodi (film)
Descendants (2015 film)
Soggade Chinni Nayana
Amitabh Bachchan filmography
Deepika Padukone filmography
Dove Cameron
List of Liv and Maddie episodes
List of Liv and Maddie characters

Liv and Maddie (Music from the TV Series) is a soundtrack to the Disney Channel Original Series, "Liv and Maddie".
 It features 12 songs performed by the show's star, Dove Cameron and a song performed by "Teen Beach Movie" star, Jordan Fisher.
 The soundtrack was released on March 17, 2015 by Walt Disney Records.
Liv and Maddie, titled Liv and Maddie: Cali Style for the fourth season, is an American sitcom created by John D. Beck and Ron Hart that premiered on Disney Channel on July 19, 2013, and ended on Disney Channel on March 24, 2017.
 The series stars Dove Cameron, Joey Bragg, Tenzing Norgay Trainor, Kali Rocha, Benjamin King, and Lauren Lindsey Donzis.
Kodi (English: Flag ) is a 2016 Indian Tamil-language political action thriller film written and directed by R. S. Durai Senthilkumar and produced by Vetrimaaran under his banner Grass Root Film Company.
 The film stars Dhanush, Trisha, Anupama Parameswaran along with S. A. Chandrasekhar and Saranya Ponvannan.
 Dhanush, who produced R. S. Durai Senthilkumar's previous two films, "Ethir Neechal" and "Kakki Sattai", played dual roles for the first time.
 The film's music and background score were composed by Santhosh Narayanan, the cinematography is performed by Venkatesh S.
 The film was simultaneously dubbed in Telugu as "Dharmayogi", which released one day after the Tamil version.
 Upon release the film opened to positive reviews from critics as well as audience praising Dhanush's and Trisha's performance.
 This film was later dubbed in Hindi as "Rowdy Hero 2" by Goldmines Telefilms in 2017.
Descendants is a 2015 American musical fantasy television film directed and choreographed by Kenny Ortega.
 The film stars Dove Cameron, Sofia Carson, Booboo Stewart, and Cameron Boyce as the teenage daughters and sons of Maleficent, the Evil Queen, Jafar, and Cruella De Vil, respectively.
 The film follows these teenagers adjusting to life outside their island prison, while on a mission to steal the Fairy Godmother's wand and free their parents from captivity.
Soggade Chinni Nayana (English: "The Young Man is a Charmer" ) is a 2016 Indian Telugu-language supernatural drama film directed by Kalyan Krishna Kurasala.
 In addition to producing the film under his Annapurna Studios banner, Akkineni Nagarjuna played dual roles.
 Ramya Krishnan and Lavanya Tripathi were the film's female leads.
 Nassar, Pithamagan Mahadevan, Sampath Raj and Brahmanandam played key supporting roles.
Amitabh Bachchan is an Indian film actor, playback singer, producer and television personality.
 He made his acting debut in 1969 with "Saat Hindustani", and narrated Mrinal Sen's "Bhuvan Shome" (1969).
 He later appeared as Dr. Bhaskar Banerjee in Hrishikesh Mukherjee's "Anand" (1971), for which he won the Filmfare Award for Best Supporting Actor.
 In 1973, Bachchan played the role of Inspector Vijay Khanna in Prakash Mehra's action film "Zanjeer".
 He has since appeared in several films with the character name "Vijay".
 During the same year, he appeared in "Abhimaan" and "Namak Haraam".
 For the latter, he received the Filmfare Award for Best Supporting Actor.
 Two years later he appeared along with Shashi Kapoor, in Yash Chopra's "Deewar", which earned him the Filmfare Award for Best Actor nomination.
 He was cited as the "angry young man" for his roles in "Deewaar" and "Zanjeer".
 Later he starred in Ramesh Sippy's "Sholay" (1975), which is considered to be one of the greatest Indian films of all time.
 After appearing in the romantic drama "Kabhie Kabhie" (1976), Bachchan starred in Manmohan Desai's action comedy "Amar Akbar Anthony" (1977).
 He won the Filmfare Award for Best Actor for his performance in the latter.
 He then played dual roles of Don and Vijay in "Don" (1978).
Deepika Padukone is an Indian actress who appears in Hindi films.
 Her first screen appearance was in Himesh Reshammiya's music video "Naam Hai Tera" in 2005.
 Padukone made her film debut by playing the titular role in the Kannada film "Aishwarya" (2006).
 Her first Hindi film release came the following year with Farah Khan's melodrama "Om Shanti Om", in which she played dual roles opposite Shah Rukh Khan.
 For her performance, she won the Filmfare Award for Best Female Debut and also received a Best Actress nomination at the ceremony.
 Her sole film role in 2008 was as one of Ranbir Kapoor's love interests in "Bachna Ae Haseeno".
Dove Cameron (born Chloe Celeste Hosterman; January 15, 1996) is an American actress and singer, best known for playing a dual role as both title characters in the Disney Channel teen sitcom "Liv and Maddie" and starring in "Descendants" as Mal, daughter of Maleficent.
 She reprised her role as Mal in "Descendants 2", which premiered on July 21, 2017, on Disney Channel.
"Liv and Maddie", titled "Liv and Maddie: Cali Style" for the fourth season, for the fourth season, is an American sitcom created by John D. Beck and Ron Hart that premiered on Disney Channel on July 19, 2013, and ended on Disney Channel on March 24, 2017.
 The series stars Dove Cameron, Joey Bragg, Tenzing Norgay Trainor, Kali Rocha, Benjamin King, and Lauren Lindsey Donzis.
"Liv and Maddie", titled "Liv and Maddie: Cali Style" for the fourth season, for the fourth season, is an American sitcom created by John D. Beck and Ron Hart that premiered on Disney Channel on July 19, 2013, and ended on Disney Channel on March 24, 2017.
 The series stars Dove Cameron, Joey Bragg, Tenzing Norgay Trainor, Kali Rocha, Benjamin King, and Lauren Lindsey Donzis.