During the extended interview, Entwhistle spoke at length about working with the force of nature that is Jackie Chan and learning to roll with some of the actor’s unexpected on-camera behavior.

“Karate Kid: Legends” brings together star Ralph Macchio, who began playing Daniel LaRusso back in the original 1984 “Karate Kid” movie, and Jackie Chan, who played Mr. Han in the 2010 “Karate Kid” ...