 
<translate> Ajụjụ. N'abalị iri na ise nke ọnwa Juun afọ 2016, Zac Efron bidoro mkparịtaụka ka o soro n'ihe nkiri ahụ, na Julaị afọ 2016, a họpụtara Michelle Williams. Ihe nkiri ahụ bụ Ashley Wallen.  Ajụjụ: ònye mere ihe nkiri ahụ bụ́ The Greatest Showman? Zaa ya. Ashley Wallen Olee ihe e kwuru nke na-egosi na azịza ya bụ eziokwu? <eng> Question. Context: On June 15, 2016, Zac Efron began negotiations to star in the film, and in July 2016, Michelle Williams was cast. The film was choreographed by Ashley Wallen.

Question: who did the choreography for the movie the greatest showman?
Answer. Ashley Wallen
What step-by-step reasoning justifies that answer? 