Shortly after filming started, Atandwa Kani stated that he would appear in the film alongside his father, the latter reprising the role of T'Chaka,[45] while on-set photographs revealed that Martin Freeman would reprise his role as Everett K. Ross.[130] Marvel announced that production was underway on January 26, and confirmed the casting of Freeman, Wright, and John Kani, while revealing that Andy Serkis would reprise his role as Ulysses Klaue from Avengers: Age of Ultron.[41][140] Atandwa portrays a younger version of his father's character, and also served as a cultural consultant during filming. Dialect coach Beth McGuire worked to ensure there was continuity between the various actors who had to use "Wakandan accents".[16]:22 Jordan joined the production later than the rest of the core cast. He felt that this aided his performance, since his character is separate from and in conflict with the other characters.