Question: An official ambassador of the United Dance Organisation, this actor made his film debut in Street Dance 3D.

Related documents: [0]  [DOC] George William Sampson (born 29 June 1993) is an English street dancer, presenter, dancer, singer, actor. He won the second series of "Britain's Got Talent" on 31 May 2008 at the age of 14. He is an official ambassador of the United Dance Organisation. [END] 
[1]  [DOC] StreetDance 3D (also called StreetDance in the non-3D version) is a 2010 British 3D dance drama film which was released on 21 May 2010. The film was released in RealD 3D, XpanD 3D, and Dolby 3D with Max Giwa and Dania Pasquini directing it. "Britain's Got Talent" stars George Sampson, Diversity and Flawless made their debut appearances to the big screen. The soundtrack to the film was written and performed by alternative acts N-Dubz, Tinie Tempah, Lightbulb Thieves, and Chipmunk. The film is a production of Vertigo Films in association with BBC Films. N-Dubz composed the official soundtrack. The song "We Dance On", featuring Bodyrox, was sent to music stations on 22 April. On 28 May 2012, Phase 4 Films has acquired the US rights for the film, along with its sequel, "StreetDance 2". "Streetdance 2" was released on 30 March 2012. [END]  
Answer: George Sampson
George Sampson