Open this photo in gallery: Timothee Chalamet arrives at the premiere of Wonka on Dec. 10, at Regency Village Theatre in Westwood, Calif.Richard Shotwell/The Canadian Press Wonka debuted with US$39-million in box office sales in U.S. and Canadian theatres over the weekend, according to studio estimates Sunday. That made it a strong start for the Timothée Chalamet-starring Willy Wonka musical that underscored the young star’s draw. Musicals have been tough sells in theatres in recent years, so much so that Warner Bros. downplayed the song and dance elements of Wonka in trailers. Instead, the studio emphasized Chalamet, the 27-year-old actor...